Reverses and Treason During the year 1780 military operations at
the North were, for the most part, suspended. Twice did the
British under Knyphausen advance from New York into New Jersey;
and twice they were driven back. Early in July, Admiral De
Ternay arrived at Newport with a French squadron and six
thousand land troops under County Rochambeau. The Americans were
greatly elated at the coming of their allies; but Washington's
army was in so destitute a condition that active co-operation
was impracticable. In September the commander-in-chief held a
conference with Rochambeau, and the plans of future campaigns
were in part determined. In the South there was much activity,
and the patriots suffered many reverses. South Carolina was
completely overrun with the invading armies. On the 11th of
February, Admiral Arbuthnot, in command of a British squadron,
anchored before Charleston. Sir Henry Clinton and a division of
five thousand men from the army in New York were on board the
fleet. The plan of the campaign w