How did great britain attempt to sway the united states to support the allies?

a) great britain highlighted every german atrocity inflicted on the allies to stir up anti-german sentiment in the united states.

b) great britain urged americans of british and french descent to appeal to the us government on its behalf.

c) great britain declared the north sea a war zone and blocked us ships and supplies from getting to germany.

d) great britain took loans that amounted to billions of dollars from us banks to ensure the united states would be invested in its victory