Which invention sailors in the 1400s to venture farther from home?

Which of these terms describes the agreement between abraham and god that forms th foundation of the jewish religion?

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

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