Well, technically, this is false. The Test Ban Treaty of 1963 prohibited nuclear weapons testing in the atmosphere, in outer space, and under water, but it didn't ban testing underground. However, it does prohibit nuclear explosions underground if they cause "radioactive debris" and contaminate the living surroundings.
A sect is a religious group that has its own beliefs and practices. Hope it help!
The Erie Canal connected Albany on the Hudson with the Great
Lakes at Buffalo. The Erie Canal actually originated at New York and it runs
for almost 363 miles connecting several places. This canal has now become a
part of the New York State Canal System. This was of immense importance before
as it connected New York, the Buffalo lakes with the Atlantic Ocean. In the
years gone by water transport was of immense importance as well the cheapest
kind of transport available. In those days this canal was highly important to
all people.
black death was the name of the horrible disease hit Asia Africa and Europe in the 1300s
You can go on google for that
