During the Red Scare, many innocent people were persecuted.

Nuclear power is greatly anticipated as a future energy source.

His fighting strength is very high.

He solved the problem on his own.

I think an amendment to the law is necessary.

There is a need to amend the law.

There is a clear duality in his character.

It has become the year 2022 in the western calendar.

My younger sister is participating in the church choir.

The explosion of a supernova is one of the brightest events in the universe.