Capitalizing the 'd' in 'depression' depends on the use of depression.
When describing a particular event or person, a noun is capitalized.
If you are diagnosing a person they might be depressed.
If you are talking about the Great Depression or Depression era policies, it is capitalized for similar reasons as the 'w' in World War I or the Pentagon - a particular person, place, or thing (the 'thing' here being a span of time).
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes it should always be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Depression is capitalized in phrases such as The Great Depression, but the medical condition and the scientific are not.
Yes. The correct way to write it would be..... Great Depression.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes it should always be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
No it should not be capitalized.
The first 'c' should be capitalized.
Yes it should be capitalized.
Yes, it should be capitalized.
No. It should not be capitalized.