Imperialism is a political ideology where some countries dominate others.

I cannot oppose his decision.

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

He affirmed my proposal.

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.

We need accurate measurements for the science experiment.

I saw a magpie-goose for the first time in the park.

His manners are very good.