The correct answer is D.
Many of the European countries involved in the era of imperialism had a large standing army. Countries like Great Britain and France had been around for centuries and built a strong military. The other three are all important factors that lead to the increase of imperialism in the 1800's.
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
Answer:
a river that ran purple is the answer
Herbert Clark Hoover's early careers helped set him up for his future presidency because he gained useful experience that ended up playing a major role in his future job as the 31st president. During the Great Depression, he did his best to help rewire the United States into a more progressive era.
