You will be marked brainiest if its right American Indians sent delegates to Congress to fight legislation by .
A.
reminding the federal government of their obligation to protect American Indian lands
B.
organizing rallies against the opening of the land
C.
collecting signatures for the formation of an autonomous American Indian state
D.
performing sit-ins on the steps of Congress

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

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.