Despite that , she managed to influence her husband to involve himself more directly in Spanish colonial politics , leading to the taking of Montevideo in 1817 and the annexation of Cisplatina Province in 1821 .
Despite that , she managed to influence her husband to involve himself more directly in Spanish colonial politics . 
 These efforts led to the capture of Montevideo in 1817 and the annexation of Cisplatina Province in 1821 .