In my annual message of December, 1845, I declared that--

Near a quarter of a century ago the principle was distinctly announced

to the world, in the annual message of one of my predecessors, that "the

American continents, by the free and independent condition which they

have assumed and maintain, are henceforth not to be considered as

subjects for future colonization by any European powers." This principle

will apply with greatly increased force should any European power

attempt to establish any new colony in North America. In the existing

circumstances of the world, the present is deemed a proper occasion to

reiterate and reaffirm the principle avowed by Mr. Monroe, and to state

my cordial concurrence in its wisdom and sound policy. The reassertion

of this principle, especially in reference to North America, is at this

day but the promulgation of a policy which no European power should

cherish the disposition to resist. Existing rights of every European

nation should be respected, but it is due alike to our safety and our

interests that the efficient protection of our laws should be extended

over our whole territorial limits, and that it should be distinctly

announced to the world as our settled policy that no future European

colony or dominion shall with our consent be planted or established on

any part of the North American continent.

Our own security requires that the established policy thus announced

should guide our conduct, and this applies with great force to the

peninsula of Yucatan. It is situate in the Gulf of Mexico, on the North

American continent, and, from its vicinity to Cuba, to the capes of

Florida, to New Orleans, and, indeed, to our whole southwestern coast,

it would be dangerous to our peace and security if it should become a

colony of any European nation.

We have now authentic information that if the aid asked from the United

States be not granted such aid will probably be obtained from some

European power, which may hereafter assert a claim to "dominion and

sovereignty" over Yucatan.

Our existing relations with Yucatan are of a peculiar character, as will

be perceived from the note of the Secretary of State to their

commissioner dated on the 24th of December last, a copy of which is

herewith transmitted. Yucatan has never declared her independence, and

we treated her as a State of the Mexican Republic. For this reason we

have never officially received her commissioner; but whilst this is the

case, we have to a considerable extent recognized her as a neutral in

our war with Mexico. Whilst still considering Yucatan as a portion of

Mexico, if we had troops to spare for this purpose I would deem it

proper, during the continuance of the war with Mexico, to occupy and

hold military possession of her territory and to defend the white

inhabitants against the incursions of the Indians, in the same way that

we have employed our troops in other States of the Mexican Republic in

our possession in repelling the attacks of savages upon the inhabitants

who have maintained their neutrality in the war. But, unfortunately, we

can not at the present time, without serious danger, withdraw our forces

from other portions of the Mexican territory now in our occupation and

send them to Yucatan. All that can be done under existing circumstances

is to employ our naval forces in the Gulf not required at other points

to afford them relief; but it is not to be expected that any adequate

protection can thus be afforded, as the operations of such naval forces

must of necessity be confined to the coast.

I have considered it proper to communicate the information contained in

the accompanying correspondence, and I submit to the wisdom of Congress

to adopt such measures as in their judgment may be expedient to prevent

Yucatan from becoming a colony of any European power, which in no event

could be permitted by the United States, and at the same time to rescue

the white race from extermination or expulsion from their country.

A Compilation of the Messages and Papers of the Presidents. Volume 4, part 3: James Knox Polk · 第 210 / 289 题