Lapita culture or the prehistoric Pacific ocean people have developed skills in building crafts to sail the seas.
Their greatest obstacle are the miles of water separating islands. In order to reach different land masses, they have develop skills to sail and navigate the seas.
I’m not sure about this question
Answer:- While most African Americans serving at the beginning of WWII were assigned to non-combat units and relegated to service duties, such as supply, maintenance, and transportation, their work behind front lines was equally vital to the war effort.
Some of the American people blamed the Great Depression on Capitalism. Capitalism is when a country's trade is controlled by private owners and everything is for profit.