It was mainly "a. Genghis Khan" who <span>united and expanded the Mongol Empire, due mostly to his superior military skills, which allowed the Mongols to conquer vast areas of land. </span>
Grammar for Effective Writing covers English syntax from parts of speech, verb forms, and basic sentence patterns to dependent clauses, verbal phrases, absolute
Answer:
The United States was called the Arsenal of Democracy because it was the country where all weapons were kept. it provided supplies for both the Axis and Allied powers. it provided supplies for the entire Allied war effort. it was the country where all aircraft were housed.
Explanation:
If possible I'd say all of them except the fourth one down (parts of ecosystems are independant) but if not I'd say the most valid one is the second one down (healthy ecosystems help animals)
1.They disguised as men and went to war
2.They became Nurses,office work and factory workers
