Warfare was the most common and successful way in which the Incas were able to expand their empire.
The executive branch is listed in Article 2 of the Constitution.
In my honest opinion, I think that the Chinese government has no right to block off the rights to social media and possibly the internet. The internet is how we all connect to each other, see friends, learn about the world, basically get smarter and more aware. If the Chinese government takes away the right to the internet, the literacy rate will drastically drop, and business will slow down. China won't be considered a world super-power anymore, and American companies will dominate the industry scene instead of Chinese owned businesses. To close, if there is no social media in China, China will face the consequences.
The Kansas River stop was most likely the most dangerous stop of the Oregon Trail.
Rivers crossing was usually dangerous for settlers with unpredictable tides ran the risk of drowning, losing livestock, losing important supplies, or overturning wagons.