What was Germany's main justification for unrestricted submarine warfare in World War I?

30 points please help me!

40 minutes on this question!

Aregion with a specified number of voters is referred to as a a. precinct city country d. district ud

Match your vocabulary word to its definition. 1. hectare reduced ability of the soil to support life 2. land degradation of spain and portugal 3. mangrove the pressing of soil particles closer together reducing the amount of air between particles 4. salinization 2.5 acres 5. junta group that controls the government 6. iberian small tropical tree 7. compaction higher than normal salt content in the soil

Where many new immigrants to the united states settles