useless trivia: What Word Means: To Portray - To Put Into Effect?

Questions

The tenth part of a Roman legion consisting of 600 men was known as what?

Which US President was awarded the 1919 Nobel Peace?

What is the purpose of an analgesic drug?

What french word describes the painting technique which uses separate dots of pure colour instead of mixed pigments?

In Dickens' novel 'David Copperfield', what is the Christian name of his old nurse Peggotty?