I think it's D. or C
Hope this Helps
Commodore Matthew C. Perry
Perry was warmly received by Japanese officials who had acquiesced and prepared a treaty that fulfilled many of Fillmore's demands. The Treaty of Kanagawa ensured the protection of American property and opened the ports of Hakodate and Shimoda to trade.
The correct answer is <span>Federal agencies purchase inventors’ new inventions
Federal agencies due fund university research which helps many universities discover new things on a daily basis. They also enable copyrights in order to protect the rights of those who discover things and enables them to earn money. It also has its own research institutions where people are motivated to help their country by creating new things.</span>
All of the countries were having a battle of who could build the biggest bombs, guns, tanks, weapons, technology, etc. which created tension between rival countries. everyone was afraid of the next country being too powerful. Hope it makes sense :-)
