1) Energy consumption: turn off electronics when not needed: turn off the light, turn off the computer while not using it, don't set your screen to maximum brightness when you don't need it.
2) air pollution: limit your waste: segregate trash and recycle.
Answer:
The first world war was started on July 28, 1914 and ended on November 11, 1918 .
Explanation:
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Monroe Doctrine: It is the conception of foreign policy of the United States according to which any attempt of colonization or intervention of a European power in the territory of the American continent will be answered by the United States, which will not tolerate any kind of interference in the area. To this doctrine he is also known with the expression of America for the Americans.
On the other hand we also have the Doctrine of manifest destiny
The manifest destiny consists of a series of ideas that justified the expansion towards the West. These were:
The government of the United States, the Constitution and the institutions of the country and, as a result, the Americans themselves, have virtues that make them unique and special.
As a consequence of the foregoing, Americans have a moral obligation to propagate their form of government and their vision of the world. And that in this mission they will be accompanied by God.