The British blockade prevented food and raw materials from reaching the Central Powers. Germany’s ships from entering their own ports. Germany from collaborating with the Central Powers countries. ships from leaving German ports to fight the Allies.

A: food and raw materials from reaching the Central Powers.

Explanation:

Correct on edge 2020!!!

yes i think there would be volunteers

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.