The answer is (D. layers of government).
Charles x became the King in France in the year 1757_1836
the word is Media Saeculorum
"New" Immigration took place during the Gilded Age. Most of the immigrants were from Greece, Italy, Poland, Slovakia, Serbia, Russia and Croatia. The vast majority of immigrants were Roman Catholic and Eastern Orthodox. However, Jews from Eastern Europe began to immigrate as well because of increasing persecution. Sorry if this didn’t help
