The answer is b they perform essential jobs and buy goods
Archaeologists ask questions and develop hypotheses. They use evidence to choose a dig site, then use scientific sampling techniques to select where on the site to dig. They observe, record, categorize, and interpret what they find.
Answer: Non-interventionism is the diplomatic policy whereby a nation seeks to avoid alliances with other nations in order to avoid being drawn into wars not related to direct territorial self-defense. It has had a long history among elite and popular opinion in the United States.
Explanation: Hope this helps
3rd One. I recently read an article on this so I think its 3.