Answer:emf blackout (electro magnetic field) ,is a shielding technique that helps protects a person from harmful radiation of light,it makes someone sleep comfortably and peacefully
Explanation:
A)a new defensive tactic known as trench warfare
Trench warfare allowed the war to drag on for long periods of time because of the stalemates that ensue from the opposing armies refusing to give up the land under their controls, resulting in high casualties in no man's land.
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Answer:
All three asked question are discussed deeply and extensively below in details specially Nelson Mandela, Desmond Tutu and international community pressure on South African government, against the end of apartheid.
Explanation:
Nelson Mandela peacefully protested to terminate apartheid. he was imprisoned for 27 years for such treason. thousands of other South-African specially non whites were imprisoned and some were even executive for their resistance against apartheid.
Desmond Tutu contribute in Mandela's effort through led economic fight against the end of apartheid. he called for an economic boycott of his country, organised peaceful marches.
South African government was criticized on apartheid widely by both western nations and the United Nation. and protest were held in many countries.
