The answers are B and A this is because although the plations where significant they need actual African slaves in order to even have a plantion
They pushed for a war against Britain to restore national honor. They insisted that invading British-held Canada would deprive the Native Americans of their main source of arms and drive the British out of Native Americans. They also believed that the British would make naval acknowledgement to get Canada back from the Americans.
The government of Italy declared war against Germany and joined the Allied powers in October of 1943.
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.