Respuesta :

Answer:

in the past there was slavery ppl had the fight for there own right, now  we still have to fight so that ppl dont have to wear mask or get the vaccine

Explanation:

The past world population is high due to lots of migrants and birth rates and and decreases also through death rate
Present world population is being controlled birth rate is controlled with the use of birth control presence of medical care is given which causes less deaths less immigrants due to immigration control
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