By 1870 how had the situation of those states changed

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

What event did not contribute to the start of ww11

What spurred american trade with northern mexico?