<u>The period in which the greatest economic or technological progress that occurred in the United States was between the end of the 19th century and the first half of the 20th century</u>. <u><em>During this period, the country went from being a simple agricultural economy to the first industrial power in the land</em></u>.
<u>It was in the second half of the nineteenth century when the first manufactures were created with imports of skilled foreign labor from England.</u>
<em><u>The answer is</u></em>: <u>A. Britain supplied a market for American manufactured goods</u>.
In the year 1803, the United States of America purchased the approximately 828 million square miles of territory from France, doubling its territory. Because of Thomas Jefferson's purchase of the Louisiana territory, 15 states were added in the territory of America. It stretched from the Canadian border in the north to the Gulf of Mexico in the south and from the Rocky Mountains in the west to the Mississippi River in the East.
This is referred to as Nationalism. It is the notion or belief that one's country possesses qualities or traits not found in that of other nations. It often promotes a sense of exceptionalism and superiority; therefore, it has often led to <em>Chauvinism </em>which is a rather hostile form of Nationalism and is often utilised as a political tool to achieve an ends.