What is the meaning of the word 'conspiracy'

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

When was the us construction written

The most important units of the english armies which fought during the hindred years war were composed of