Which type of source is village life in america

tertiary source
primary source
noncredible source
secondary source

Why did settlers decide to establish olympia where they did? they thought the land was good for farming. they could trade with american indians. they found water access to puget sound. they were given land by the us government.

What was a major cause of world war i?

How can we stop u.s. military drone strikes from hurting innocent people