Question: Thomas Bell Polla lead what group that wanted to annex territories in Mexico and Central America?
Sentence (from "Federal Republic of Central America"): The Federal Republic of Central America (Spanish: "República Federal de Centroamérica" ), also called the United Provinces of Central America (Spanish: "Provincias Unidas del Centro de América" ) in its first year of creation, was a sovereign state in Central America consisting of the territories of the former Captaincy General of Guatemala of New Spain.
Relevant evidence: No