How did the homestead act settle the west

Which of the following resulted from the passage of the dawes act in 1887?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

Which groups united to form the populist party