Answer:
a bar that slides to lock something
Explanation:
They are told to close something most likely a window and when you close something you usually must lock it
I'm going to guess alliteration, sorry if i'm wrong
She's able to be happy at some points. "Turning on the light upstairs" is a way to "turn on" happiness.
Answer:
The name "United Nations", coined by United States President Franklin D. Roosevelt was first used in the Declaration by United Nations of 1 January 1942, during Second World War.
Explanation: