Sentence:  When in 1816 an <WSD>act</WSD> of Congress forced the foreign firm out of the United States , its British born employees , now become American citizens - Joseph Rolette , Joseph Renville and Alexis Bailly - continued in the fur business . 
Meaning of the word marked with <WSD> tags:  a legal document codifying the result of deliberations of a committee or society or legislative body