Europeans colonized North America in 1492.
To address your question, three animals Europe introduced to North America is cattle, sheeps, chicken, and goats.
It affected women in the U.S because of how they were only there at home when usually their husbands were out fighting for the war. This provided more job opportunities for women and caused them to be the "head of the house".
<em>Answer: The publication of the Zimmermann Telegram and the escalation of German submarine attacks on US merchant vessels led the US Congress to declare war on Germany on April 6, 1917. More than 1.3 million men and twenty thousand women enlisted in the armed forces.</em>
The Populists demanded an increase in the circulating currency which was to be achieved by the unlimited coinage of silver, government ownership of the railroads to prevent monopolies, the direct election of U.S. senators, and other measures designed to strengthen political democracy and give the farmers economic parity with the larger business powerhouse.
Hope that helped!
Reconquista means "reconquest" and is generally used to describe the re-population of the southwest American territories by Mexicans (since their land was originally taken by the United States).