There really isn't one, except some people use supper to refer to lunch on Sundays. Aside from that, they are different names for the same meal.
The purpose of this piece of text is to inform the reader. I reckon that the source is from the Declaration Of Independence.
Answer:
the following answers are in order of the given questions
Explanation:
but
either
and
or
but
Prayers offer peace of mind and a lot of hope/ Prayers offer a lot of hope and peace of mind.