If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
The only false statement from the choices given above is letter:
<span>“D. The
social context of the 1960s discouraged innovation and exploration because
people were afraid of new technologies and feared being overrun by space aliens.”
</span>
<span>In fact
during that time, the interest for space exploration began to prosper. People
was curios and began to wonder what is beyond in space.</span>
Answer:
D.
Explanation:
One of the biggest problems was that the national government had no power to impose taxes. To avoid any perception of “taxation without representation,” the Articles of Confederation allowed only state governments to levy taxes. To pay for its expenses, the national government had to request money from the states.
Answer: B
Explanation: AOC had no power to put down rebellions because they had no power themselves
The Africans and the Americans were harmed because of the stock market crash because it caused the Great depression in the economy.
<h3>Causes of the stock market crash:</h3>
There were numerous and varied causes of the stock market crash. Some of them were low wages, polling of the debt, suffering agricultural sector, and many more.
The Great Depression was not only due to the decline in the stock market but was also caused by many of the reasons. It certainly has caused the society to hasten the global economic collapse, of which it was a symptom.
Nearly half of America's banks had failed by 1933, and unemployment had risen to 15 million people, or 30% of the population.
Learn more about the ham that was caused by the stock market crash here:
brainly.com/question/1107215
