One of the most important rules to the Native Americans was that land was to be used by tribes regardless of whether or not it was "worked" in the traditional European sense. This led to great conflict with the Europeans, who thought the Natives weren't entitled to the land if they did farm on it.
<span>The
Japanese government declined in the A.D. 800s because a number of weak
emperors came to the throne. Powerful nobles than began to gain control
of land. Nobles began collecting more taxes from the peasants working
the land. Nobles formed private armies. The shogun commanded the emperor's military
government. The mongols attacked Japan twice, but the attackers were
defeated because of violent pacific storms smashed many of their ships.</span>
Can't see it so I can't help
USA was behind in Science and Math. So the federal government dumped massive amounts of money at the high school and college level. Americans so the Cold War heat up in Space. Very far behind.
The first space shuttle had enough capablities to go to Mars.
Mars was the orginal goal!
Moon became the target because USA moved it to so.
Watch Hidden Figures and October Sky for some inspiration.