Because they did not want to birth a child they did not want or could not care for.
No.
As many as you want (how many are you planning to have?)
Erm, if that's what they want to do then sure, I suppose.
We don't know, it's way before humans started documenting so some time when we lived in caves possibly.
Before 1973, abortions were being performed in the U.S.; they were, however, illegal. Roe v. Wade (argued December 13, 1971, reargued October 11, 1972, and decided January 22, 1973) made abortions legal in the U.S. That date is when legal abortions started in the U.S.
YOU can do that survey, WA does not provide that kind of service. Although there is no link between autism and abortions.
People have abortions for many reasons. Most abortions are because the other cannot afford to raise the child or does not or cannot handle the responsibility of raising a child. Many abortions are preformed because of medical issues where the mother's life would be endangered y continuing the pregnancy.
Girls that do not want to/can't afford to keep their baby.
In their 20's.
Catholics are against abortions, simple. If you want more details as to why this is the case, it may be a long answer, but I am sure you can find some specific information online or ask a local priest.
what do you mean by "missed" abortions?
All races have abortions.