Answer: The first civilization that created the concept of zero were the Babylonians but the Babylonians were influenced by Sumerians, the ones who created the first counting system. If anything Americans got a hold of what the counting system was like (the one that contained zero in it) and claimed it as theirs.
Explanation:
The process of curtailing the performance of dysfunctional behaviors by eliminating whatever is reinforcing the behaviors is extinction.
Answer:
The correct answer is because of the rebellious and bold spirit the flapper inspired
Explanation:
The Flappers were a generation of woman that used a particular style in their clothing, the music they heard (mostly Jazz), the hair cut they had that was called the "bob cut", usually weared a lot of make up, they drank hard liquours, often drive at high speeds and had other behaviours that were not considered normal in a woman in the 1920's and therefore because of this rebellious attitude the flappers inspired they symbolized change for the woman in the 1920's.
I believe the answer is maximizes