Catholicism has always been a huge religion, and has been in control of the world for previous ages. For that reason, they were the ones who could dictate when to start the timeline, and chose the birth of Christ as that starting point.
The army, led by Washington, put down the rebellion.
In the 1800s , both old and new immigrants to the untied states faced hostility because of : Differences of culture and language
Back then , the immigrants somehow seen as a threat and they basically couldn't explain/defend themselves because of the cultural barrier
hope this helps
During the Berlin Conference, it was "Belgium" who was granted control of the Congo Free State, under the command of King Leopold II from around 1885 to 1908.
In a democracy the people rule.. Unlike an anarchy where there is no ruler.
:) hope this helped!