"In the 1840 president James k Polk belief in manifest destiny led to the expansion of the United States, especially into Mexican territory, since he believed that the US was "destined" to occupy all the land from the Atlantic to the Pacific.
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Answer:
Explanation:Wooden railroads, called wagonways, were built in the United States starting from the 1720s. A railroad was reportedly used in the construction of the French fortress at Louisburg, Nova Scotia, in New France (now Canada) in 1720. Between 1762 and 1764, at the close of the French and Indian War (1756–1763), a gravity railroad (mechanized tramway) (Montresor's Tramway) is built by British military engineers up the steep riverside terrain near the Niagara River waterfall's escarpment at the Niagara Portage (which the local Senecas called "Crawl on All Fours.") in Lewiston, New York.
Shipbuilding. World War 1 was the first major war in which a mass-produced navy was used.
In the most friendly and conciliatory manner
