How did Imperialism contribute to World War I? - It created jealousy and mistrust among the European nations
- It prompted European nations to form alliances
- It resulted in German submarine warfare on neutral shipping

- It created jealousy and mistrust among the European nations

Explanation:

During the nineteenth century, and the first years of the twentieth century, shortly before World War I, Several European powers such as Britain, France, Belgium, The Netherlands and Germany, had colonial possessions all over the world: in the Americas, in Africa, in Asia, and in Oceania.

In some of these areas, for example, in Africa, European Powers had bordering colonies, and this created the tensions and mistrust that finally led to the start of World War I.

Price control is an instrument that interventionist governments can eventually practice.

This is an unorthodox measure of inflation control in which the government forces the bidders to lower prices, especially of basic items such as fuel and food. However, this is an artificial measure that the economic mainstream does not corroborate.

Therefore, the correct alternative is the third. The government.