He united the country under Moscow and became the 1st monarch of Russia by joining all the small Russian principalities together.
Can you add the slides for a better understanding?
I believe the answer is: <span>Chicago School of Sociology
According to </span><span>Chicago School of Sociology, urban environment is created by a lot of groups of people which come in together from various backgrounds.
To get along in such culture, it is necessary for people to stop forcing each other to conform to their personal culture and start to develop a sense of tolerance.</span>
