How did nationalism, new alliances, and growing tensions in Europe lead to World War I? Write your response in three to four complete sentences.

It can cause intense competition among nations with each seeking to overpower the other. The new alliances it drew them to war. And what is thought is the key cause of Wold War 1, was because as countries like Britain and France expanded their empires, and it resulted in increased tensions among European countries.

Explanation:

Everybody wants to "rule the world". These factors created intensity between the big countries which resulted in WW1.

Explanation:

i think it was   tsar alexander ii

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.