Simple. Trite, and Not True.
Americans did overthrow the Kingdom of Hawaii and form the Republic of Hawaii. That was True. It was not a move put into action by the US Government but by a very small group of American buissinessmen.
The US was never acquired. It broke away from Great Britain as a result of the Revolutionary War that ended in 1781.
Oregon
The US acquired free navigation of the Mississippi River in 1795. This was established through a treaty which Pinckney negotiated.
Texas was acquired to the US because of "Manifest Destiny" this means that land in the name of "God" was to be taken to the Seas.
Florida was ceded to the US by Spain in 1819. It was not really bought, but the US government paid 5 million dollars to US citizens who had claims against Spain that were connected to the lack of government in Florida.
The Us acquired Florida from Spain.
The US bought the state of Florida from the Spanish.
Utah
The UK is a monarchy and the US is a republic.
Nothing makes the US a monarchy
Eisenhower when it became a State and McKinley when it became a Territory.
The United States of America acquired the land that is now the State of Iowa from France in the Louisiana Purchase.
No, US laws state you can only be an American citizen.
The US does not have a Monarchy.
A republic is a state in which the citizens entitled to vote and their power is exercised by representatives chosen by them. A monarchy is a state in which the supreme power belongs to a monarch (such as a king). So the US is a republic.
monarchy
Hawaii