Who were The most successful of the Crusades

Multiple choice. what was one effect of the emancipation proclamationa. european nation side with the confederacy b. it ended slavery in the union c. african americans could serve in the union army d. ending slavery became a goal of the civil war for the union

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries

Which of the following was probably the most difficult challenge facing construction of the railroad?