"An increase in scientific and medical discoveries improved life expectancies" is the one reason among the following choices given in the question that <span>is the best possible explanation for the changes in Europe's population since 1750. The correct option among all the options that are given in the question is the first option.</span>
<u>Answer:</u> Slaves or Gold
<u>Reasoning:</u> The yellow line is Africa's line, marked as "Slaves, gold"
It began when the representatives of the Third Estate chose a new king, created the National Assembly and pledged to create a Constitution.
It officially began with the storming of the Bastille on July 14th, 1789
The best option regarding Lyndon Johnson's actions as president would be that "<span>He tried to continue Kennedy's policies," since he turned out to be a highly progressive President. </span>
Large numbers of skilled workers left Iran in the early 21st century, primarily because "<span>c. they sought more skilled opportunities in countries like the United States," since there were far fewer restrictions in the US. </span>