Why was the plague called the "Black Death"? What were some of the common symptoms?

It was called The Black Death due to lymph nodes that became blackened and swollen after bacteria entered through the skin.

Symptoms are:

Fever and chills, Extreme weakness, Abdominal pain, diarrhea and vomiting, Bleeding from your mouth, nose or rectum, or under your skin, Shock, and Blackening and death of tissue (gangrene) in your extremities, most commonly your fingers, toes and nose.

england is crowded cold and polluted while north america was like the opposite

the speech convinced americans that the ussr was an enemy, rather than an ally, which led to the creation of the truman doctrine.