What cultural practices spread northward from the civilizations of central mexico?
a. telescopes and books
b. crop cultivation
c. botany and architecture
d. canals

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