Which source would best a historian understand how the great chicago fire affected families?

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

Compare the roles of the three countries of the central powers.

What is the shaking of the earth 's surface due to sudden movements called?