What section, article, and clause is making Washington DC the capital of the nation? Why do they have this power?

The District of Columbia's creation is rooted in Article I, section 8, clause 17 of the Constitution

Explanation:

Washington, DC is unique among American cities because it was established by the Constitution of the United States to serve as the nation’s capital. Washington, DC have been subjected to systemic inequality and denied the full rights of citizenship that the residents of states enjoy including voting representation in Congress.

Hopes this helps, please let me know if I' wrong.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

answer: the answer is b

explanation: i just took this quiz last week