4. What did many Europeans promise to ship captains in order to secure passage to the American colonies?

1) years of labor

2) their first-born child

3)their first year's wages

4)their valuables

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.