Could the president and/or supreme court block congress actions

Of course he can. If a president has a doubt about the constitutionality of a piece of legislation, he can order his official to go to courts and file a case. In the ultimate end, the US Supreme Court will rule on the case.

Explanation:

The President could choose to veto Congress' bill and publicly state that the reason it is doing so is due to the violation of the Constitution.

Explanation:Supreme Court: If a lawsuit was filed about the law if it passed, the Supreme Court could review it and decide it was unconstitutional.

answer: born in saint-dié, in the vosges department, france, he studied law, and was called to the bar at paris in 1854,[2] but soon went into politics, contributing to various newspapers, particularly to le temps. he attacked the second french empire with great violence, directing his opposition especially against baron haussmann, prefect of the seine department. a series of his articles in le temps was later republished as the fantastic tales of haussmannlaxupa (1868).[2]

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