The correct answer is D. All of the above.
Step-by-step explanation
During the Revolution of Independence of the United States, there was the participation of several foreigners helping the patriot side, among which Tadeusz Kościuszko (1746-1817) was a prominent military leader of Polish nationality who became a national hero of the United States for his participation in the War of Independence; The Marquis de LaFayette (1757-1834) who was a prominent military and politician of French nationality who contributed as General in the patriot victory during the War of Independence of the United States, which would earn him the label of National Hero for the productive participation of him; Baron Friedrich Wilhelm von Steuben (1730-1794) was a military man of Prussian origin who served the Patriot army during the War of Independence of the United States alongside George Washington as a key part of the physical training of the army. According to the above, the correct answer is D. All of the above.