How does day and night occur?

Day and night occurs because the Earth revolves around the Sun, and when the Earth revolves, different parts of the Earth get sunlight at different times. When it is night in one place, it is daylight in the other. This is because we only have one Sun and wherever the Sun is, that is where it will be bright.

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.