Filibuster

Furthermore, I believe that the filibuster must be destroyed.

Source: tatoeba (10485485)

These duties involved prodigious physical and mental exertion, in a climate deadly to Europeans. They also involved much voyaging in waters haunted by filibusters and buccaneers. But nothing appears to daunt Labat. As for the filibusters, he becomes their comrade and personal friend;—he even becomes their chaplain, and does not scruple to make excursions with them.

Source: wiktionary

Mexico's War of Independence (1810–1821) encouraged an increase in the activity of filibusters in northern Mexico, particularly Texas. Spain's concentration on repressing independence movements within Mexico created opportunities for filibusters to seize control of its northern frontier regions.

Source: wiktionary

Filibusters were American citizens who used armed force to procure economic and political influence beyond the borders of the United States from 1848–1861. Their efforts were directed mainly southward toward Cuba, Mexico, and the Central American republics. These illegal excursions disrupted diplomatic relations of the United States within its own hemisphere by damaging relations with Latin American countries and the United Kingdom.

Source: wiktionary