D) Threats to American security made by Germany
The people who benefited the most from the general mining act of 1872, which allowed individuals who discovered minerals on federally owned land to work the claim and keep the proceeds were Powerful investors only. This is because they were the only people who had enough financial muscle to invest in mining.
In Southeast Asia, Europeans encouraged rich local landlords to grow rice on the paddies that spanned the region's rivers. Southeast Asia is a very important cultivator for rice.
Many of them assimilated and learned the language and started behaving like Europeans because they believed that it was the best thing to do, many even adopted Christianity. On the other hand, they didn't want to lose their identity so they fought. They wanted to live freely according to their laws and didn't want to have their land taken away and for European laws to be imposed upon them. They adopted systems like trading and using money but they tried to stick to their roots.