Nicaraguan national guard troops march in early 1920s

The transcript discusses the election of a provisional president in Nicaragua, the invitation of US Marines to protect foreign interests amidst unrest, and the presence of an expeditionary force until 1925. During this period, the Nicaraguan National Guard was trained.

What action did the provisional president take two years after his election?

Why did the US Marines enter Nicaragua?

What was the purpose of the Expeditionary force in Nicaragua?

How long did the US military presence last in Nicaragua?

What institution was trained during the US military presence in Nicaragua?