The German migration to the United States a. was sometimes temporary, as a significant percentage of Germans returned to their native land.
b. provoked race riots in several cities.
c. was in most respects similar to that of the Irish.
d. included few educated professionals or skilled workers.
e. peaked in 1831 before falling rapidly.

both are true, the congress does have the power to create banks, even if this power is not specifically described in the constitution, since there is nothing restricting it and there is power given to the congress to make "all laws which shall be necessary and proper". maryland was not allowed to tax a branch of the national bank operating there, and the supreme court decided that no state could. both of these topics were discussed in a decision of the mcculloch v. maryland case in 1819.