Define each of the following terms and use it in a sentence. (siege, ratify, ambush)

Siege - a military operation in which enemy forces surround a town or building, cutting off essential supplies, with the aim of compelling the surrender of those inside

The siege of the fort lasted into the morning

Ratify - sign or give formal consent to (a treaty, contract, or agreement), making it officially valid

They failed to ratify the amendment

Ambush - a surprise attack by people lying in wait in a concealed position.

Seven people were ambushed at their office.