Which best explains the message the Monroe Doctrine sent to other nations? A. that the United States was powerful enough to stop new colonization in the Americas B. that the United States was afraid of each nation that sought to colonize the Americas C. that the United States wanted to take over other nations in Europe and in the
D. Americas that the United States feared the power of European nations and would allow them to colonize the Americas

A. that the United States was powerful enough to stop new colonization in the Americas

Explanation:

The Monroe Doctrine basically stated that the US would stay out of European affairs while warning Europe not to interfere in the Americas or else

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69