What does evans mean by “old-stock americans”?

Hiram Evans was a white supremacist member of the Ku Klux Klan. When he refrerred to "old-stock americans" he means "the not yet contaminated Anglo-Saxons". An important part of that role was protestantism, as Evans was very oppossed to Catholics.

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.