To establish their rule in africa imperialists needed superior fighting tools such as guns and ammunitions.
They however blended it with diplomacy and appeasement of local rulers to get protectionist treaties that would ratify their scamble and partition as outlined in the Berlin conference of 1881.
Yes, because he showed great leadership. He helped the US out during the Great Depression. He was confident, and turned out to be a great, powerful, and respected president.
The ottoman empire did not care about science at all japan traded science with the dutch china was only interested in Jesuit knowledge
