Sampling, mark and recapture, indirect observation, and direct observation
Answer:
They made clothes or made first aids for soldiers
Explanation:
The Crusades began in the middle and late middle ages, and were sponsored by the Pope of the Roman Catholic Church, who wanted to restore Christianity to Jerusalem.
Martin Luther King was a "crude" man because he was fighting for equal rights for Africans Americans, so they can go to school without the Americans.