Some British agents from Canada helped to arm Native Americans in the west. This helped them fight off enemies.
The East Germany had to build the wall to stop the flow of refugees that attempted to leave East Berlin to the West. The wall was a symbol of the division between communist East Berlin and democratic capitalism of West Berlin. The Soviet bloc defended the wall on the terms that they needed protection against the degrading and immoral influences of the West capitalism.
In 1994, about 1 million people were massacred due to ethnic tension in RWANDA
This event was known as Rwanda Genocide. This is where Hutu extremists killed off around 800,000 women, men, and children. 75% of which are the Tutsi, an ethic group, whom Hutu extremists blamed as the reason for the country's increasing social, economic, and political pressures. The remaining 25% of the murdered masses was either part of the Twa ethnic group or other Hutu, those who are against the killing campaign and the forces directing it. It was estimated that 200,000 people participated in the perpetration of the Rwandan genocide.
Answer:
lay out and transportation links, canals helped transport goods in between cities and into cities for imports and also exported them, with this came the ability to travel quicker therefore more ethnic groups began migrating around the country to different cities increasing the ethnic diversity