HELP ASAP PLEASE Read the following excerpt from the Monroe Doctrine. Then, in one or two sentences, describe the main idea presented in the excerpt.

[T]hat the American continents, by the free and independent condition . . . are henceforth not to be considered as subjects for future colonization by any European powers. . . . Our policy, in regard to Europe, . . . nevertheless remains the same, which is, not to interfere in the internal concerns of any of its powers; It is impossible that the allied powers [Europe] should extend their political system to any portion of either continent, without endangering our peace and happiness . . .