Why were people protesting in Amritsar? Why were there troops in Amritsar?

Please answer this question the best you can and please answer it in your own words :)

the jallianwala bagh massacre also known as the amritsar massacre,took place on April 13 1919, when acting brigadier general Reginald Dyer ordered troops of the British indian army to fire their rifles into a crowd of unarmed indian civilians in jallianwala bagh, amritsar, Punjab killing at least 400 people

answer-the island had airfields that the u.s. military needed.

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.