The Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures.
Answer: two ways to ratify it is three fourths of the legislature's must approve or two thirds of the member states can make an "application" to congress to hold a constitutional convention
President Grover Cleveland is the president that signed the Interstate Commerce Act in 1887. Please rate & heart & consider rating brainliest answers that you find helpful! :)