Being provided with food is part of the essential care of a person. This is vital for existence. As God is our father, we (can) ask him to be always fed. This is why the request for our "daily bread" is included in the prayer.
Explanation:
The best example is when Jesus took a couple of pieces of bread, fish and wine and was able to feed the whole village, and then some. Taking care of everyone, as a father would.
Topic The topic is the general subject of a paragraph or essay. Topics are simple and are described with just a word or a phrase. Main Idea The main idea is a complete sentence; it includes the topic and what the author wants to say about it.
It is important to learn about other cultures because you need to know what they are and what they do, basically you need to know other cultures then your own Incase you go somewhere out side of your culture. I hope this makes sense :-$