Event 2 has a casual relationship with event 1 when

The answer is: Event 1 makes Event 2 happen.

The relationship between an event and another exists when a change in one event generates a change in the other (cause to effect relationship).

There is a cause-effect relationship when one event immediately precedes the other and it is unlikely that the second event happens without the first had occurred.

answer; ///i do believe that the correct answer is (b) ///middle colony

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.