Why do you think the early
leaders of the nation did
not include a "Supremacy
Clause" in the Articles of
Confederation?

In 1920, the Supreme Court applied the Supremacy Clause to international treaties, holding in the case of Missouri v. Holland, 252 U.S. 416, that the Federal government's ability to make treaties is supreme over any state concerns that such treaties might abrogate states' rights arising under the Tenth Amendment.

Explanation:

i'm not certain but i'm pretty sure it was spanish and portuguese america.

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