The Pre-Columbian civilizations of the Maya, Aztec, and Inca were similar in that they: (no links no viruses) if you do links I will report you! if you get it right I will mark as brainlist! A:lacked a strong central government.
B:showed little evidence of urbanization.
C:developed complex mathematical and calendar systems.
D:used more deadly and effective military technology than the Europeans.

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.

(b) the crop kept them from fighting with the native americans.