I assume you mean "Canadian". In English, words derived from a country are capitalized.
Alaska is the only state that borders on Canadian territory. All of the other states border Conadian provinces. Alaska borders the Yukon Territory of Canada.
No, seasons are not capitalized.
"Can" is typically not capitalized in sentences unless it is the first word or part of a proper noun.
No, keywords do not have to be capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
Wikipedia is capitalized.
No, it is not capitalized.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
yes it is capitalized
No it's not capitalized.
No it shouldn't be capitalized.