Yes because it is a proper noun. It is referred to particular group/people that's why it is necessary to write the word 'american' as "Americans".
Yes American should be capitalized.
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.
The first 'c' should be capitalized.
Yes it should be capitalized.
Yes it should always be capitalized.
Yes it should be capitalized.
Yes, the word "Americans" should be capitalized as it is a proper noun referring to the people of the United States of America.
Yes because its more specific
All nationalities should be capitalized in sentences.For examples:Jew, Jews, JewishAmerican, AmericansMexican, MexicansCanadian, CanadianGerman, GermansIranian, IraniansChina, Chinese
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
Yes, "Osprey" should be capitalized because it is the proper name of a specific bird species.
Yes, "Local Park" should be capitalized because it is a proper noun.
It should only be capitalized if it forms part of a title.
Yes, it should be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Yes it should always be capitalized.