Answer:
Hey! the artist is Eadweard Muybridge,
He was revered for his work because he set up a system of trip-wires that would each activate a shutter on a set of cameras
Franklin D Roosevelt
Entering into FDR's 2nd term he began to make moves engaging the US in world affairs. He signed the Lend-Lease Act and imposed embargoes on Japan. He also began meeting with Churchill discussing the eventual entrance of the US into the war.
The picture is quite blurry
In a nutshell, colonialism. Increasing demands for cash crops created a constant need for ready at hand labour