The racial and religious discrimination against Jewish people. Think of Nazism.
Answer:
Bloody Sunday. On the morning of Sunday 30 January 1972, around ten thousand people gathered in Londonderry for a civil rights march. The British Army had sealed off the original route so the march organisers led most of the demonstrators towards 'Free Derry Corner' in the nationalist Bogside area of the city.
Explanation:
Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war. World War I, which lasted from 1914 until 1918, introduced the world to the horrors of trench warfare and lethal new technologies such as poison gas and tanks.