America’s first steam locomotive made its debut in 1830, and over the next two decades railroad tracks linked many cities on the East Coast. By 1850, some 9,000 miles of track had been laid east of the Missouri River. During that same period, the first settlers began to move westward across the United States; this trend increased dramatically after the discovery of gold in California in 1849. The overland journey–across mountains, plains, rivers and deserts–was risky and difficult, and many westward migrants instead chose to travel by sea, taking the six-month route around Cape Horn at the tip of South America, or risking yellow fever and other diseases by crossing the Isthmus of Panama and traveling via ship to San Francisco.
Answer:
Following the formal abolition of the monarchy in 1953, Egypt was known officially as the Republic of Egypt until 1958, the United Arab Republic from 1958 to 1971 (including a period of union with Syria from 1958 to 1961), and has been known as the Arab Republic of Egypt since 1971.
Explanation:
You should ask yourself what details are there to prove this primary source, what opinions can you find regarding the benefit, or lack thereof of the primary source, the truthfulness of the primary source, as well as any information previously contracted from the primary source, or the opinion on them of others.