Puzzle 4

Affronted, defamed

Pachyderm with a trunk

Celebratory hand gesture

Reddish-brown color and hardwood

Water vessel propelled by fabric on a mast

Competition between nations over military forces

Joins in on

Katy Perry's explosive single

Air mostly contains this chemical element

Baltimore is in this US state

To step down from power, e.g. a monarch

Greek hero who was dipped in the River Styx

Serves drinks as a job

Mountain range, the border between Europe and Asia

Expecting different results from repetitive acts

Sliced cured pork belly, Italy's answer to bacon

Voting rights