How did the the khmer civilization shape culture in southeast asia? select the two correct answers. 30 points pls quick

a.
innovated a feudal system based on the loyalty of samurai warriors

b.
developed writing systems that spread throughout asia

c.
used irrigation canals and reservoirs to support large-scale rice farming

d.
introduced islam via indian ocean trade routes

e.
built vast buddhist temple complexes

Immigrants arriving in the united states during the late 1800s experienced many difficulties. which of the following was a problem which large numbers of immigrants faced?

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.

The citizenship clause of the fourteenth amendment says a naturalized personis not a citizen and cannot become a citizen of the united states.is a citizen, just like someone who was born in the united states.must have been born in the united states, not in another country.must have been born in a country other than the united states