The calculation of definite integrals is an important part of calculus.

The Ottoman Empire was once a powerful empire that existed in the Middle East.

Imperialism is a political ideology where some countries dominate others.

The submission of the report is due tomorrow.

I cannot oppose his decision.

He affirmed my proposal.

Last night, all the lights went out due to a sudden blackout.

This product is a limited edition, and the quantity is small.

The children are playing in the schoolyard.

He played the role of an arbitrator.