A. Spanish conquistadors bring their horses with them across the Atlantic. Some horses escape or swim to shore after a ship sinks. The Plains Indians become expert horsemen and buffalo hunters.
This was certainly not intentional since hardly the conquistadors would want their enemies to be stronger.
B. B. Rats are aboard European ships coming to the Americas. The rats spread disease and hunt unknown numbers of smaller animals to extinction.
This is hardly intentional. Rats were almost unavoidable back then and the Europeans just did not care much about them. They weren't thinking about how the rats would cause trouble in the Americas. They were "just rats".
So the only intentional one is:
C. Columbus brought pigs to the Americas on his second voyage. The pigs provided a valuable source of food for a growing population.
Columbus brought pigs for them to serve as food eventually and so they did.
During Bush's second term, the great recession hit, making the American economy very unstable. The unsteadiness of the economy stopped foreign investors from investing in American stock because they were uncertain if they would make their money back. For that reason, the international support of the United States dropped. its explaind a little better then his
Answer:
use a calculator and work it piece by piece
Explanation:
Answer:
Right choice: The president of the United States of America.
Explanation:
After each US presidential election, state electors gather in the Electoral College and vote for the candidate who won most votes in their state. 270 electoral votes are necessary to be proclaimed the winner, a president-elect.
One of the main goals of creating a year-long daylight savings time during the oil embargo was "<span>to lower the consumption of oil", since this meant people would go to sleep earlier and have more daylight, which meant less oil consumption. </span>