Reply #6: Not really. Neither of those clauses prohibits Congress from enacting laws to ensure

[No Elephants]

that elections are being held consistent with the Constitution of the United States.

"Time, place and manner" refer to details, like hours of election and what the ballot looks like and where the poll is/are, not fundamental Constitutional rights--and the Constitution even expressly gave Congress the right to alter those details.

Surely, you are not suggesting that the ability to decide details like the time, place and manner of voting, unless Congress says otherwise, gives states the right to violate the Constitution, say by prohibiting Asians from voting?

And again, many federal voting acts have already been passed.
S
ETA: Assuming, of course, that the Asians are U.S. citizens and otherwise entitled to vote.