It depends on where you use it within the sentence.
Capitalize the "c" in the word congress when you're referring specifically to the United States Congress or the title of another specific congress.
Congress is, member is not.
The Library of Congress holds many collections.We visited The Library of Congress.
Yes, you should capitalize the C in Century.
You should capitalize it if it is a brand name.
No, you should not. You should only capitalize a word when it is at the start of a sentence or when it is a proper noun.
It should not be capitalized.
No
no
No
You should capitalize if the use applies to a specific congress (US Congress or a similarly named body). Example : "Our class studied the history of congressional assemblies." Example : "The company's directors were called before a Congressional committee."
You only capitalize with if it begins a sentence. Example:With recent rains, crops should grow well.