Answer:
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. ... By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.
Answer: positive reinforcement
Explanation:Reinforcement is defined as increase in a behavior. Reinforcement is usually positive or negative. Positve reinforcement is when needed or advantageous stimulus is added to increase ones behavior or character.
positive reinforcement entails adding a reinforcing stimulus to a behavior that empowes the behavior to occuror appear again in the nearby future. Example is when you reward a child for a performing a particular task, the child will love to do that particular task often so as to get the reward. This can help the child to have the behavior you want him to develop and most times even when there is no reward the childs behavior is altered or changed already to always perform that task.
<span>Led to the transatlantic slave trade</span>
