In a population where theres less cleaning and more polution.
Answer:
the main causes of diseases among indigenous tribes were caused by the arrival of the English to America who arrived with new diseases for which the indigenous people had no bodily defenses
Explanation:
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.