I think it is A. People began using tools
In this quote, Alexander Hamilton urged New Yorkers to support the ratification of the Constitution that was approved by the Convention on September 1787. New Yorkers at that time did not approve the Constitution because they were afraid of the creation of a strong central government, but the proponents of the new constitution believed that centralized government was essential for the new document because only a strong central government could negotiate with foreign countries and ensure free trade between states.
Later, New Yorkers ratified the new Constitution because the states had their own independence and power.
The correct answer here is the option C.
Ronald Reagan implemented his famous Reaganomics economic plan which included policies to reduce the growth of government spending, capital gains tax, federal income tax, government regulation among other things. But he did spend a lot on the military and increased the defense spending.