Answer:
It has a white star in the middle representing the Lone Star State of Texas as well as the freedom of African Americans in all 50 states.
Almost all humans to a certain extent are dissatisfied with the limited availability of resources, but if you're speaking from an academic point of view, it would be Economists, since they study choices made from this limited availability.
Answer:
Frequent changes in leaders so it was hard to have stability
Answer: depending on whom one reads, Polk comes across as either a nearly great President or as a man who missed great opportunities. Clearly, his impact was significant. Polk accomplished nearly everything that he said he wanted to accomplish as President and everything he had promised in his party's platform: acquisition of the Oregon Territory, California, and the Territory of New Mexico; the positive settlement of the Texas border dispute; lower tariff rates; the establishment of a new federal depository system; and the strengthening of the executive office. He masterfully kept open lines of communication with Congress, established the Department of the Interior, built up an administrative press, and conducted himself as a representative of the whole people. Polk came into the presidency with a focused political agenda and a clear set of convictions. He left office the most successful President since George Washington in the accomplishment of his goals.