What was the German response to the Allied convoy system during the Battle of the Atlantic?

Germany's Atlantic strategy was simple: to starve Britain into submission by destroying merchant ships and their essential cargoes of food and raw materials faster than they could be replaced. Although mines, bombers and surface ships would claim many victims, the deadliest threat was the U-boat.

Explanation:

I think this is it...

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.