1990,1980,1970,1960 any of these are some of the last decades
The answer is D. Put a tax on every piece of printed paper in the colonies
The reasons to oppose slavery were morality, and the hash treatment of slaves
The best option from the list would be that "<span>b. The United States began to build up its military and to stockpile weapons," since this was part of the inevitable "Arms Race" that took place between the US and the USSR. </span>
