Answer:
The event is known as the Trail of Tears
Explanation:
In 1830, congress passed the Indian Removal Act. This law allowed then-president Andrew Jackson to remove the native indian populations of the Southeastern United States, to a new territory in Oklahoma, known as the Indian Territory.
Over 30thousand people belonging to the tribes mentioned in the question were obliged to abandon their homelands, and move westward. During this event, a lot of them died of diseases and starvation. This sad reality is the reason why it has come to be known as the Trail of Tears.
The Mediterranean Sea divides Europe from Asia
The action that leads to photochemical smog and acid rain is due to the concentration of secondary pollutants.
<h3>What are the causes of photochemical smog?</h3>
Photochemical smog is made as a result of the action of the sunlight reaction with nitrogen oxides and also in the presence of at least one volatile organic compound (VOC) that is seen in the atmosphere.
Therefore, The action that leads to photochemical smog and acid rain is due to the concentration of secondary pollutants
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