<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>.
The assassination of Franz Ferdinand is what started WW1, which was done by Serbian rebels, but the county was Austria-Hungary. The two nations that escalated the conflict was Russia, who supported Serbia, and Germany, who supported Austria.
<span>Leonor Lopez he was a Spanish nobleman</span>
Ellis island was where thousands of immigrants were processed before being allowed into the United States.
It remade Europe after the downfall of French Emperor Napoleon I and tried to restore old boundaries as well as resizing the main powers so they could balance each other and remain at peace.
