Answer:
Taxation and Foreign trade
Explanation:
Taxation, imposition of compulsory levies on individuals or entities by governments. Taxes are levied in almost every country of the world, primarily to raise revenue for government expenditures, although they serve other purposes as well.
Foreign trade has caused the U.S to go deeply in debt, with what we take and with the fast rising prices, we are going to soon loose products that come in from other country's.
