Write the sentence in past tense The idea of a universal bond of sharing connects all humanity

The idea of a universal bond of sharing connected all humanity.

Correct an error Imagine, for a minute, a world were everyone is just a little kinder

Imagine, for a minute, a world where everyone is just a little kinder. (The error: "were" should be "where")

Correct the single error when you are trying to merge traffic, someone let's you in

Corrected:

When you are trying to merge traffic, someone lets you in.

(The error was the incorrect use of the word "let's" which means "let us" instead of "lets" which means "allows".)

Is traffic correct

Yes, "traffic" is correct. It refers to the flow of vehicles on a road or highway.

Correct an error you get back your car and find someone has put money in the parking meter

Corrected:

You get back to your car and find someone has put money in the parking meter.

(The error was the use of "in" instead of "into".)

Rewrite the following idiomatic expression in its original format, survival of the nicest