Please help quickly!) Which geographic factors contributed to the decline of Sumer? Choose all answers that are correct. A. Irri
gation of the crops led to salinization of the soil. B. Sumer was located on a flat plain that provided no natural barriers to invasion. C. Mountains made agriculture difficult. D. The land became too swampy to grow adequate crops.
<span>A, B and D all contributed to Sumer's decline. In the case of A, irrigation caused the salt content of the soil to rise which made it very difficult to utilize for agriculture. As in B, Sumer had no natural barrier and was located on a flat space, making the land susceptible to weather and war. With D, the land became too wet (swampy) and could not be farmed.</span>
With the end of WW2 korea was one of a whole. Until USA and Russia established a line through it. Soviet Union in the north and USA in the south. Both wanted korea to be a whole but neither would give up a side.
The primary reason to drop the atomic bomb was that it was belie ved that it would lead to less death than a land invasion and specifically less deaths among the Americans - option A is the correct one.