20th cenutry events in order

Found this on wiki. "1Events in the 20th century

1.1The world at the beginning of the century

1.1.1"The war to end all wars": World War I (1914–1918)

1.1.2The Russian Revolution and Communism

1.2Between the wars

1.2.1Economic depression

1.2.2The rise of dictatorship

1.3Global war: World War II (1939–1945)

1.3.1The war in Europe

1.3.1.1Blitzkrieg

1.3.1.2Assault on the Soviet Union

1.3.1.3Turning tides

1.3.1.4Operation Overlord

1.3.1.5Final days

1.3.2The war in the Pacific

1.3.2.1Background

1.3.2.2Japanese Expansion

1.3.2.3Allied offensive

1.3.2.4Final days

1.3.3The Holocaust

1.3.4The Nuclear Age begins

1.4The post-war world

1.4.1The end of empires: decolonization

1.4.2The Cold War (1947–1991)

1.4.2.1War by proxy

1.4.3The space race

1.4.4The end of the Cold War

1.4.5Information and communications technology

1.5The world at the end of the century"

Explanation:

the correct answers are:

a - pacific plate;

it is the biggest oceanic tectonic plate. surrounded on all sides by continental tectonic plates, it is submerging and gradually becoming smaller and smaller.

b - north american plate;

huge continental plate, occupying big portion of the northern hemisphere.

c -eurasian plate;

alongside the north american plate, it is one of the two dominant continental plates in the northern hemisphere.

d - indian plate;

a small continental plate, that has been part of gondwanaland initially, but after the break up of it, moved towards northeast and pushed into the eurasian plate that was once part of laurasia.