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.
Answer:
B
Explanation:
When it would rain the rivers would flood leaving slit behind, that made the ground fertile and good for crops.
Answer:
Shōtoku, inspired by the Buddha's teachings, succeeded in establishing a centralized government during his reign. In 603, he established the Twelve Level Cap and Rank System at the court. He is credited with promulgating a Seventeen-article constitution.
PRINCE SHOTOKU. The most important Asuka ruler was Shotoku Taishi (born in 574, ruled 593-622). Regarded as the "father of Japanese Buddhism," he made Buddhism the state religion by constructing major Buddhist temples such as Horyu-ji near Nara. His was goal was to create a harmonious society.
Explanation:
this is all i found hope it helps :)