Im pretty sure it’s industry :0
According to google, "<span>Russia had an autocratic government prior to the Russian Revolution, being ruled by one person, Tsar Nicholas II. It did have an elected body called the Duma, which was instituted after a small revolution in 1905 by Tsar Nicholas II, however it had virtually no power to make laws that the Tsar had to honor." Hope this helps :)</span>
Fundamental. Essential means necessary, primitive typically means ancient, and critical means important.
Because they couldn't decide on whether slaves counted as a person at all or not.
Women finally got the right to vote in the United States due to the 19th Amendment to the Constitution. This was the culmination of many years of hard work.