Early settlers used only iron plows because?

This premise is incorrect; settlers did not exclusively use iron plows.

Early plows in America were often made of wood. Iron began to gradually replace wood, but until about 1840 or so plows had wooden beams, wood moldboards, and share points made of iron, steel, or sometimes cast iron.

What is the value of silver 1863 Indian one cent coin?

What is the value of a 1791 silver dollar?

Richelieu
Armand Jean du Plessis de Richelieu , cardinal, duke and peer of France, minister of Louis XIII. Born in Paris on September 9, 1585, he died on December 4, 1642. He entered politics and became secretary of state in 1616 then cardinal in 1622 and principal minister of Louis XIII in 1624. He remained
Junot, Andoche, Duke of Abrantès
September 24, 1771 (Bussy-le-Grand) - July 29, 1813 (Montbard) Junot, Andoche, Duke of Abrantès After studying law, Junot enlisted in September 1791 in the volunteers of the Côte-dOr. With a temerity bordering on unconsciousness, Junot la Tempête, as his comrades nicknamed him, was a sergeant i
The Battle of the Atlantic second phase 1941-1943
In early 1941, the difficulties and complexities of the Battle of the Atlantic began to really make themselves felt. The heavy losses experienced by merchant ships in 1940, of which 2,186,158 tons had been sunk by submarines, were partly compensated by the use of many merchant navy vessels for war.
The Viet Minh response
During the subsequent cleanup, the French discovered and destroyed deposits arms and food. On November 16, after a week of marches and fighting, the paratroopers were evacuated by truck to Hanoi. However, the Viet Minh was quick to react, and an ambush set up by two Régts. intercepted elements of th