1. what law did lankford say that congress used to repeal some of the previous administrations regulations?

Actually What congressman Lankford said is that President and He agreed that cleaning the DACA bill, the government will have a better control of immigrant people and for this four steps are necessary.

1. Dealing with people who have a receptor benefited for daca bill.

2. To avoid that any person benefited for daca become an american citizen.

3. The wall even when is neccesary all over the border in some places it is and also technology and strategies to avoid people entering illegally to the country.

4. Improvement in the lottery of visas where 50,000 people are eligible for work visas.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.