After WWII, the primary reason for the expansion of public relations was...
Economic Expansion.
Answer:
Relations between the Soviet Union and the United States were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years. The distinct differences in the political systems of the two countries often prevented them from reaching a mutual understanding on key policy issues and even, as in the case of the Cuban missile crisis, brought them to the brink of war.
Explanation:
Interesting question!
It is a huge misconception that there were no slaves in the north. Slavery was not as common due to the fact that the Northern economy was not as heavily agricultural as in the South. New York and Connecticut had large slave populations. <span> In the North they have cold winters and the South had mild winters. Meaning you would have to provide warmer cloths, food and warmer shelter which would cost slave owners in the North more money</span>
For people to be free, so they themselves have equal rights.