FROM THE BOOK:He is called the 'George Washington of South America.' Bolivar planned to unite the Spanish colonies of South America into a single country called Gran Colombia. The area of upper Peru was renamed Bolivia in his honor. Discouraged by political disputes that tore the new Latin American nations apart, he is reported to have said, 'America is ungovernable. Those who have served the revolution have ploughed the sea.'"
<em>Answer:</em>
<em>fixed-interval </em>
<em>Explanation:</em>
<em>Fixed-interval schedule</em><em> is considered as one of the four distinct types of reinforcement schedule in the </em><em>operant conditioning theory </em><em>which was introduced by</em><em> B. F. Skinner.</em><em> A fixed-interval schedule is referred to as a reinforcement schedule whereby the very first or initial response is being rewarded once a 'specified time amount' has been passed or elapsed.</em>
<em>In this case, Colin's behavior is reinforced on a fixed-interval schedule.</em>
Answer: a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders. a Germanic barbarian by the name of Odoacer took control of Rome. He became king of Italy and forced the last emperor of Rome, Romulus Augustulus, to give up his crown. Many historians consider this to be the end of the Roman Empire. With the fall of Rome, many changes occurred throughout Europe. The collapse of the Roman Empire in the fifth century. Two of the main events of the Fall of Rome were the plundering of the city of Rome by an invading tribe, the Vandals, in the middle years of the century and the abdication of the last Roman emperor, Romulus Augustulus, in 476.
hope this helps
plz mark brainleist
