How do I sell unwanted ships?

How do I change the design of my ship’s sails?

I want to make a ship that has set sail return.

Do I have to reassign troops to the Reviewing Stand before selling my ships?

My ship won’t set sail

None of my ships sank, but the ship prevention item effect went away.

I used a sink prevention item and my ship still sank.

I’ve won the battle but my ship sank.

I increased my bombardment speed but it looks the same in the replay.

When I try to sell my ships at the Dock, it says I have less ships than I actually own.

My ship won’t upgrade.

Is it possible for a lower tier ship to load more gunpowder than a higher tier ship?

My tier 12 ship lost to a tier 11 ship!