Didn't read the book but mostly Louis was brave because he risked making vaccines and testing them on others to save many more people. He made the effort to save others and did a lot of work and experiments to help advance the medical world of science.
Very interesting and also tough question. I'm not quite sure about..
In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.
Answer:
The driving force was Economics; the need for resources and technological advances.
Explanation:
Europeans took over Africa in the 18's. The Scramble For Africa then make the European to enslave Africans and took all their resources.
It all started because of Europeans' competitions. In order to be better than their neighbor in the continent(Europe), Europeans needed ''more'' riches.
Europeans wanted Africa resources such as rubber. For England, they only want more power but Germany want to compete and beat the ''English'' people.
So, the Europeans main driving force is Economics.