Answer:
invansions by barbarian tribes
the most straightforward theory for the western rome collaspe pins the fall on a string of miltary
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.
Robert Edward Lee (January 19, 1807 – October 12, 1870) was an American Confederate general best known as a commander of the Confederate States Army during the American Civil War. He commanded the Army of Northern Virginia from 1862 until its surrender in 1865 and earned a reputation as a skilled tactician.
Answer:
Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.
Explanation:
The Senate is composed of 100 Senators, 2 for each state. Until the ratification of the 17th Amendment in 1913, Senators were chosen by state legislatures, not by popular vote. Since then, they have been elected to six-year terms by the people of each state.
