La is the direct object pronoun that matches the third person singular in the simple present. A direct object pronoun replaces a direct object, that is a noun that directly receives the action of a verb in a sentence. Moreover, direct object pronouns in Spanish agree in number and gender with the nouns they replace. The direct object in this problem is la pelota and given that this is feminine singular we choose to replace this by la. Therefore:
Hoy visito a mis bisabuelos de Honduras y Guatemala. También « also » se llaman catrachos y chapines. A ellos les encanta cocinar y tener fiestas en el patio de su casa. Hoy tienen su aniversario.
lances and swords. Their lances were long wooden spears with iron or steel points on the ends, used to devastating effect on masses of native foot soldiers. In close combat, a rider would use his sword.
