Use "in protest over" in a sentence

1. Negotiators have walked out of the Strategic Arms Limitation Talks in protest over the incident this morning.

2. Some have marched in protest over what they consider an abridgment of their rights of freedom of speech.

3. Last summer, as the nation erupted in protest over police killings of Black people, many law schools made public commitments to be “Antiracist” institutions, or at least to do more to confront