<span>Defended Nicaragua against invasion. Provided them with intense military and CIA assistance. Needed a way to prove credibility to the international community. Knew they would question the ability to come to their aid if their borders were being attacked.</span>
Answer:
they provided the explanation on the evolution of man and calculating how long long the processes took place until now
Edward Jenner
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed
In 1870, he established standard oil, which by the early 1880s controlled some 90 percent U.S. refineries and pipelines. Critics accused Rockefeller of engaging in unethical practices , such as predatory pricing and colluding with railroads to eliminate his competitors , in order
To gain a monopoly in the industry.
