[freema]

"Treason against the United States, shall consist only in levying War against them"

This sentence is very important.

It must be comprehended correctly. Treason is levying war against the United States.

[R. Scott]

"Treason against the United States, shall consist only in levying War against them"

This sentence is very important.

It must be comprehended correctly. Treason is levying war against the United States.

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“Article III Section. 3.
Treason against the United States, shall consist only in levying War against them, or in adhering to their Enemies, giving them Aid and Comfort. No Person shall be convicted of Treason unless on the Testimony of two Witnesses to the same overt Act, or on Confession in open Court.”

The above quote is directly from Article III of the Constitution of the united States of America. What you quoted omitted the above underlined portion. A comma (, or) does not end a sentence. Read the entire sentence and you will be able to comprehend correctly.