Which challenges and opportunities confronted Americans who settled in new states and territories after 1812?

The United States faced severe economic and foreign policy problems. A huge debt remained from the Revolution; paper money issued during and after the war was worthless; and Britain and Spain occupied territory claimed by the United States. The new nation lacked the machinery of government.

Explanation:

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.