Which concept is illustrated by the fact that congress has the power to introduce and pass laws and the president has the responsibility to enforce all federal laws?

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

an earnest tone.

because portia wants to know why brutus has been acting strange lately.