All of these terms are associated with

Cornelius Vanderbilt
· Pullman Strike
· Standard Gauge
· Promontory Point, Utah

answer; i believe two are ; /// world bank and international monetary fund; good luck

aa

explanation:

literally the answer is aa. not kidding. aa is a group.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.