A civilization is a group of similar people that are together for posterity. The establishment of a civiliation was caused by the tribal warfare of the stone age, the people did not want to live under constant fear of death, and thusly grouped together, built up the militarty and eventrall progressed into what we have today
Answer:
Indian at the Indus River.
Please mark me as a brainliest
They wrote in the amendment clause into the original constitution allowing for constitutional amendments as long as they were approved by a 2/3 vote in both the Senate and House of Reps and wasn't declared unconstitutional by the Judaical or Executive branches. Also a amendment can not be erased from the constitution another amendment must be placed to void it. <span />