Why was the election of 1860 the last straw

How did the duwamish people the first settlers in seattle adapt to their new environment? check all that apply. they built longhouses for the settlers. they offered the settlers weapons. they gave the settlers food. they the settlers farm and fish. they taught the settlers to trade.

What kind os source would a historian use to get a firsthand account of a past event

This emblem shows a jewish star inside a shape that combines a fortress and a shield.