As emperor, Napoleon made all of the following changes except "<span>Allowing noble émigrés to return to France" although there were definitely a few exceptions. </span>
Senate leader is always the vice-president and I don't know about the house
The scientific method <em>revolutionized the study of human society</em> during the Gilded Age and onward; sparking curiosity within the members of society, and encouraged people to <em>gain knowledge</em>, discover and investigate; causing them to question old credence, and starting to prove them wrong, thus <em>leading to technological advances</em>, and large scale production methods, the inception of intellectual movements and favored <em>drastic reforms in education</em>, thus bringing opportunities to other scope of the population, because racial, ethnic, religious, gender and socioeconomic inequalities still abounded, so it also inspired some reformers to address those inequities in some form.
Rivers were attractive locations for the first civilizations because they provided a steady supply of drinking water and made the land fertile for growing crops. Moreover, goods and people could be transported easily, and the people in these civilizations could fish and hunt the animals that came to drink water.
Because they got tired of oppressing south.
South was also tired of military rule. As the South got more and more upset about the military rule, North came under more pressure to end it.
The only reason for military rule was protecting the black rights. Most of the North didn't care abot black rights.
This was the reason why reconstruction ended.