Fleas can potentially transmit a host of diseases to humans, including typhus, plague, tularemia among other harmful diseases.
Article Five of the United States Constitution detailed the two-step process for amending the nation's frame of government. Amendments must be properly Proposed and Ratified before becoming operative. This process was designed to strike a balance between the excesses of constant change and inflexibility.
The United States Constitution is the supreme law of the United States of America. The Constitution, originally comprising seven articles, delineates the national frame of government. proposed amendment becomes an operative part of the Constitution as soon as it is ratified by three-fourths of the States (currently 38 of the 50 States). There is no further step. The text requires no additional action by Congress or anyone else after ratification by the final state.