Questions about example sentences with, and the definition and usage of "Harshly"

A: harshly = rough, severe

“He spoke harshly.”
“He spoke roughly.”

A: 1) The prisoner was treated harshly. 2) The teacher gave the children bad grades because he marked [graded] their work harshly. 3) The football referee gave Italy a penalty against England which was harsh ;)

A: The dog was yelled at harshly by it’s owner.

A: Maybe I reacted harshly.

She harshly rejected the suggestion.

He harshly kicked the wall in anger.