Yes. This was part of a two day war in Iwo Jima that killed multiple American marines. The flag was raised to show American forces had defeated the Japanese forces who fought hard and vigorously
The south improvement company in 1872 caused rockefeller able to monopolized around 90% of the oil market in North America.
The south improvement company largely increased the number of oil and railroad companies in southern states. Because of the increase in numbers, the market for oil and railroad companies became saturated. This lead many of his competitors to bankruptcy, which is why the competitors called it a conspiracy.
The disagreements between different groups when developing the new US Constitution lead to the creation of political parties.
When delegates were meeting at the Constitutional Convention to change the Articles of Confederation, the convention was split into two groups. The Anti-federalists favored a small central government, significant autonomy for states, and the continued use of the Articles of Confederation.
The federalists wanted a stronger central government, less power to state governments, and the development of a completely new constitution.