If you are regarding MLK Jr. Then answer b is the best answer. I'm sorry if this is not the answer you were looking for
The power to establish and maintain schools. All the others are left to the federal government.
This statement is true. There are several different events that show America is far from isolationist during this roughly 160 year period. Here are some examples of major events that show America's lack of isolationism.
1) Manifest Destiny- During this era in American history (early to mid 19th century), the US gained thousands of miles in territory from countries like France (through the Louisiana Purchase) and Mexico (through the Mexican-American War and Mexican Cession).
2) Imperialism- The era of American imperialism (late 19th and early 20th century) resulted in the US expanding their territory, annexing places like Puerto Rico and Hawaii.
3) World War I (1917-1919)- The US got involved in World War I after Germany made several actions that upset the American government and citizens. This includes the sinking of the Lusitania and the Zimmerman Telegram.
Mountains make up about 70% of the landscape, which makes life a lot harder for those living there. This is why most people in Korea live along the Western Coastal Plains.
Hope this helped, and have a nice day! :)
John Adams - he backed up the Sons of Liberty
Paul Revere - he said, "give me liberty, or give me death."
Thomas Jefferson - the Declaration of Independence, he wrote it.
Samuel Adams - maker of the Sons of Liberty