A. Ancient Ones
I just looked it up on google
B. Because even with many issues that plagued the Roman Empire economically and politically, By the later years of the empire the Roman military was mainly comprised of trained Barbarian soliders who were inferior to earlier Roman soliders causing a significant decrease in the Roman Empires's Military capablities so many barbarian tribes that began to grow such as the Huns, Vandals, Goth etc. Put immense pressure on the Empire, driving them into the ground economically and causing many issues within the government and eventually being sacked, thus marking the end of the Roman Empire. Sorry for the wall of text but hope this helped :)
The correct answer is letter A.
Interest groups are primarily focused on actively promoting a particular cause or belief. They are usually composed of voluntary associations that publicly promote and create advantage for their specific cause. Charitable groups, trade associations, and civil rights groups are some examples of interest groups in society.
Truman defended the Truman Doctrine that meant that if a capitalist country was being attacked America had a duty to give military aid to that country. Truman also knew that the invasion of Korea by the USSR could cause a domino effect and they would dominate one country after another. He had this knowledge since WWII with Germany’s actions.