 Complete the following phrase:  The city of Ciego de Ávila was founded by 1840, having at the time 263 inhabitants. In 1877, its municipal government was created and the city became independent of the city of Morón. Ciego de Ávila gained importance when the Spanish army built a fortified military line, known as Trocha de Júcaro a Morón, to impede the pass of insurrectionist forces to the western part of the island during the 