In 1936, Landon sought the Republican presidential nomination opposing the re-election of Roosevelt. ... Landon proved to be an ineffective campaigner who rarely traveled. Most of the attacks on Roosevelt and Social Security were developed by Republican campaigners rather than Landon himself.
The Sioux agreed to settle within a reservation in Black Hills of the Dakota territory in exchange for peace.
I think the answers are:
D and C?
hope this helps
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
