Question

the cause of world war​

Answer 1

Answer:

1. Mutual Defense Alliances

Over time, countries throughout Europe made mutual

defense agreements that would pull them into battle.

These treaties meant that if one country was attacked,

allied countries were bound to defend them. Before

World War 1.

2. Imperialism

Imperialism is when a country increases their power and

wealth by bringing additional territories under their

control.

4. Nationalism

Much of the origin of the war was based on the desire of

the Slavic peoples in Bosnia and Herzegovina to no longer

be part of Austria Hungary but instead be part of Serbia.

Answer 2

Answer:

world war 1 due to opium trade

Explanation:

world war ii America entered due destroy of ship of America more Americans were died in that incident so America declared war on japan