Answer:
16th-allowed an income tax
17th-Direct election of senators
18th-Began Prohibition
19th-gave women the right to vote
The 16th Amendment-The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration.
The 17th Amendment-The Senate of the United States shall be composed of two Senators from each State, elected by the people thereof, for six years; and each Senator shall have one vote. The electors in each State shall have the qualifications requisite for electors of the most numerous branch of the State legislatures.
The 18th Amendment-After one year from the ratification of this article the manufacture, sale, or transportation of intoxicating liquors within, the importation thereof into, or the exportation thereof from the United States and all territory subject to the jurisdiction thereof for beverage purposes is hereby prohibited.
The 19th Amendment-The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex.