Which constitutional amendment do literacy tests and poll taxes violate? the amendment

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

What is the meaning of the statement that all is vanity or meaningless? use full sentences

By 2050, the population of latin america and the caribbean is estimated to reach about million. by 2050, the population of latin america and the caribbean is estimated to reach about million. 440 200 525 725