Which three of the following conditions on Earth at the end of the Ice Age made human survival easier? abundance of large animals decrease in sea levels extinction of mammoths increase in vegetation warmer global climate

sep 30, 2009 - what is the best description of trade among northwest indians prior to the best answer: 1, indians traded among numerous groups for goods that came from indian government was strong and centered authority in an elected chief. a shaman as the white man called him was a healer and nothing else.