They were mutually beneficial between the Spanish and Californians.
Answer:
Vaccines
Explanation:
It is not known if it was a Chinese or Indian discovery but it was not popularized before the use in 1796. In 1796 Edward Jenner inoculated a boy in England and that prevented him from getting smallpox. This was later used as the groundwork for developing vaccines and today's vaccine culture and mass immunization would not be possible without Jenner and his experiments.
A safe abortion is a constitutional right due to the ruling or roe v. wade. states, in an attempt to prevent abortion, create very difficult standards of what safety is in terms of abortion.
<u>⭕ D. There were more economic opportunities in the West due to the success of the canal system.</u>
