Upload your 700-900 word paper that encompasses your study of the seven different time-period maps and the inhabitants of those areas of Oklahoma during the specific eras; include a properly documented, APA style works cited page. You may choose to upload specific maps as long as they contribute purposefully to your written paper. (maps not required for submission)

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

the answer is b hope that

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.