B would be the answer because they were mapping the Mississippi river.
Answer:
Government subsidies for federal elections, originally proposed by President Roosevelt in 1907, began to take shape as part of the 1971 law, as Congress established the income tax checkoff to provide for the financing of Presidential general election campaigns and national party conventions.
Explanation:
“ The rebels promised to provide laborers to help the United States build Panama Canal. “
Nazis built extermination camps equipped with huge gas chambers that could kill as many as 6000 human beings in a day. Those labeled as weak would die. They were told to undress for a shower and then led into a chamber with fake shower heads. After the doors were closed, cyanide gas poured from the shower heads. All inside were killed in a matter of minutes.
also if you use quizlet website it also has history stuff on there to.
