What are two items or services that federal income tax pay for you

What is the meaning of the statement that all is vanity or meaningless? use full sentences

Why did european nations face financial challenges after world war 1?

Ineed asap! ! what is the name of the system in which each branch of the u. s government can limit the actions of the other branches? a. perpetual union b. division of powers c. cooperative federalism d. checks and balances