Since you provide no options,
The most significant result probably that Kiev was able to increase its wealth
After Kiev increased its trade around that region , they're able to buy more manpower and equipments that would help them in their cause
It was the "c. introduction of the assembly line" that enabled mass production in the 1920s, since this meant that products could be made with a division of labor.
Conservatives favored rule by absolute monarchs
Cause--Effect:
Passage of the Homestead Act-- allowed many families to purchase land cheaply and set up farms.
Creation of agricultural technology-- new machines such as tractors, plows, and harvesters created greater output at a faster, more efficient pace.
Indian Wars-- the last of the Indian Wars took place on the Plains following the Civil War. By clearing the land and putting the last remaining tribes in reservations, land was available for farming.