Answer:
The Zimmerman telegram interception, Germany resuming unrestricted submarine warfare and the Lusitania sinking
Explanation:
This statement is completely true, the native peoples to the Americas were introduced to diseases such as smallpox which wiped out a majority of the populations. While battles and such took place this was a huge cause of change because of the effectiveness. Positively, however, the natives were also introduced to the trading of European goods such as foods, guns, and livestock, and particularly horses.
The answer is B. The Tokugawa shogunate keep Japan isolated from 1603 until 1853 to keep foreigners from tampering with Japan's affairs. <span>But Japan wasn't totally isolated - they still kept up trade with Holland, China, and the Ryukyu Kingdom - just extremely tightly controlled.</span>