What most likely caused an increase in lost goods ?

1. Germany attacked US ports to stop ships from supplying the Allies, doubling the amount of lost goods in four months

2. Germany sank merchant ships bringing supplies to the Allies, doubling the amount of lost goods in four months

3. Germany confiscated merchant ships trying to reach the Allies, doubling the amount of lost goods in four months

4. Germany forced merchant ships trying to reach the Allies to turn setting around, doubling the amount of lost goods in four months

i think it is

2. Germany sank merchant ships bringing supplies to the Allies, doubling the amount of lost goods in four months

2. Germany sank merchant ships bringing supplies to the Allies, doubling the amount of lost goods in four months

Explanation:

During the first years of the German War, he worked to definitively isolate the main enemy of Great Britain, in order to fulfill his objective, he started a submarine war, and began to take different ships carrying, ammunition, armaments, products, food, among other things, This led to a large shortage of products and ended with the entry of the US into the war, as the Germans undid the Lusitania, an American ship that transported tourists and other products to Britain.