How did Pittsburg landing fit into the northern strategy in fighting the war

It was a strategic point on the Tennessee river

Explanation:

The union wanted to gain control of the tributaries that flowed into the Mississippi river .

ok

explanation:

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.