What innovation help maintain the growing populations during the tang and sung periods? ANSWER QUICK PLSSS

What was going to be the third wave of japanese attack planes' targets? (if this attack had come, the us navy would have been even more crippled) question 5 options: 1 airfields 2the aircraft carriers 3 fuel depots and ship repair facilities 4 battleship row

African-american soldiers in world war ii sometimes felt they were ? ghting for two victories, one abroad and one in europe true or false

Which historical interpretation is supported by this source?