How did the Song dynasty survive despite military setbacks? a. They paid tribute taxes to the forces that had defeated them.

b. They broke apart the countries they controlled into smaller kingdoms that would be easier to defend.

c. They encouraged innovation in technology and agriculture and supported an extensive trading system.

d. They adjusted their social structure, making it easier for lower-class peasants to move up in society to become gentry.

yes, there are senators in each state

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.

declare war, appoint military officers, sign treaties, make alliances