What factors explain the major increase in population in half of China and a much smaller change in the other half?

an invasion from the north and rich farmland to the south
an invasion from the south and rich farmland to the north
overland trade and urbanization
seagoing trade and urbanization

please need hel

What was an effect of the great peasants revolt

Which four excerpts from the poem "a political reverie" by mercy otis warren imply that america was an oppressed and exploited nation? no despot here shall rule with awful sway nor orphan's spoils become the minion's prey; no more the widow'd bleeding bosom mourns, nor injur'd cities weep their slaughter'd sons; for then each tyrant, by the hand of fate, and standing troops, the bane of every state, forever spurn'd, shall be remov'd as far as bright hesperus from the polar star; freedom and virtue shall united reign, and stretch their empire o'er the wide domain. on a broad base the commonwealth shall stand, when lawless power withdraws its impious hand; when crowns and sceptres are grown useless things, nor petty pretors plunder here for kings

As time went on, pan-africanism became a philosophy that: a. africans gain colonies in asia.b. african americans be proud of their african descent andwork toward civil rights.c. start many world's fairs to showcase african successes.d. europeans conquer african territory.