A period of severe dust storms that greatly damaged the ecology and agriculture of the U.S. and Canadian prairies during the 1930s
Answer:
he should take a break and don't review too hard or else it will result in forgetting everything he'd learned the past day.
Explanation:
The California miners found silver in the blue sand and sticky soil which caused problems because they were primarily looking for gold and there was a lot of silver in the way.
Answer:
Early voting because people might not be able to on election day because of work or other things they might have.
Explanation: