The homestead act and grants of land to railroads were used to A raise money to finance the federal government B limit the influence of monopolies C support the development of state universities D. encourage settlement of the west

D. encourage settlement of the west

Explanation:

The homestead act and grant of land to railroad signed on May 20, 1862 by President Abraham Lincoln, involved the provision of lands, about 160 acres to settlers and the grant of lands for the construction of railroad, this was aimed at encouraging settlement of the west.

local max is .5

step-by-step explanation:

the local maximum is for x values between 2 and 4

it looks like the x value is 2.5 and the y value is .5

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.