In 1900, the British Empire covered a fifth of the land area of the earth. This led to conflict between the major countries of Europe. Great Britain was trying to conquer Africa from Cairo (in the north) to Cape Town (in South Africa). France was trying to conquer Africa from the Atlantic Ocean to the Red Sea. A few years later, Kaiser Wilhelm of Germany wanted colonies in Africa, too. This angered other major countries and increased the tensions that led to World War I. The desire to take over lands for one's own country is called

Imperialism

Explanation:

Increasing hostility between European countries led to the rise of Imperialism with invasion, colonization and annexation of African territory in the mid-1800s Europe indulged in imperialism. European countries began colonizing for three factors, political, economic, and social. The Berlin Conference in 1885 helped the European powers in the colonization of Africa.

i think it was   tsar alexander ii

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.