Answer: emancipation proclamtion gave the union the mortal high ground ,an increase in relations with European power, and a potential large new segment of manpower ripe for recruitment
Due to giving someone a sharper mind coffee had a strong demand with limited supply. The country that could grow and export the most coffee was seen as a more successful country.
I'm pretty sure the answer is Ivan Pavlov
African American citizens took advantage of their newly granted rights by using them wisely.
for example: voting rights
they voted for the parties that supported giving African Americans equality
hope this helps