Do you think the us entry into wwii had any effect on the allies succeed? what happened before?

Because the US had build boats, ships, and airplanes. Troop support was a main one. And we were allies with Great Britain , and The Soviet Union.

the answer is b. hope this !

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity