"I think, therefore I am" was written by
a. René Descartes.
b. Francis Bacon.
C. Andreas Vesalius.
d. Robert Boyle.

a

Explanation:

beacuse i watched the video on ED hope it helps :)

A.  

Explanation:

I watched the video :)

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.