Answer:
- 60 American hostages
- President Jimmy Carter’s decision for the Shah's medical care in the US because of his exile in the middle east, lead to the American hostages.
- The students set their hostages free on January 21, 1981, 444 days after the crisis began and just hours after President Ronald Reagan delivered his inaugural address
- Probably costed Jimmy Carter his second term as presdient.
Explanation:
<em>Baruch S. Blumberg invented </em><span><em>a vaccine for smallpox for which he won noble prize in 1976.</em></span>
One reason could be that since England has colonized most of the countries in the past, the English language has been spread around. Another reason would be since English speaking countries like the US and Britain are powerful economically, knowing English is very important when making trades and business deals.
B.) He designed spinning machines that spurred the growth of factory towns and textile
