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