Can someone explain what the u. s immigration act of 1907 was?

Who was the first explorer to sail all the way down the mississippi river

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !

The nile river is referred to as the giver and taker of life. explain what this means.