I think the answer would be number 2
The Assassination of Archduke Franz Ferdinand
American imperialism was done in the wake of a want of industrial boom.
Explanation:
IT is a repetitive pattern that countries often embark on imperialism when they have bustling industries and trade routes along with a good level of production but have bad living conditions for the people and are looking to increase their lifestyle value.
This is what happened in the late 19th century US which had prosperous businessmen but the common people were living lives in harsh conditions and had to suffer.
So, the people had an avenue in imperialism to have more profits and to extract the profits to improve their own lifestyles at home and this need made the backdrop of imperialism.
Answer:
The United Nations (UN) was made toward the finish of World War II as a worldwide peacekeeping association and a gathering for settling clashes between countries. The UN supplanted the inadequate League of Nations, which had neglected to forestall the flare-up of the Second World War.
Explanation: