There are more evidences available on the mediaeval period as compared to the ancient period why?

Well for one the ancient period was well...anceint and two the midevil people were more advanced and could build larger structurse and more surer ways of preserving the past like writing and real hard cover books. hopes this helps you :)

whose power in the senate is equal to the power of the speaker of the house?

equal pay act of 1963. the equal pay act, signed in to law by president john f. kennedy on june 10, 1963, was one of the first federal anti-discrimination laws that addressed wage differences based on gender. they felt that this would prevent employers from undercutting future wages for men.