Congress has exclusive authority over financial and budgetary matters, through the enumerated power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defense and general welfare of the United States.
Hard work was required to make progress
Answer: Vertical integration is firm taking control of and producing its inputs and outputs rather than using the market.
Example: A vertically integrated produce company, for example, might hold a farm, a produce distribution business, and a green grocery.
C. the assassination of the Archduke.