The United States Congress can check the executive branch of government by? 1) appointing ambassadors
2) overriding vetoes
3)nominating judges
4)declaring laws unconstitutional

the answer for 3 is b and the answer for 4 is d

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation: