Arising sense of nationalism in china was a reaction to what

The strong foreign influence in China.

Explanation:

The Open Door policy only served American purposes, and other nations subscribed it while protecting their private interests. However, China´s imperialist authorities saw little profit in it. Objections to the Open Door policy generated an antiforeign movement that led the Boxer Rebellion of 1900, in which Chinese nationalists took arms to try to stop the foreign occupation.

it was displayed because they had a love for war

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.