Its started after World War 2 because after a lot of issues arose between the US and USSR. They had a mutual distrust with each other stemming from the way the US had perceived the USSR as an illegitimate part of the international community. The way the USSR perceived the US as people who intervened in everyone's business and had amounted weapons.
Answer:
Europe was part of the Roman Empire until the 5th century. After parting ways, Europe faced its darkest age until 1020, it started making steady progress in the field of agriculture, trade, craftsmanship etc.
Mills, storage, horse harnesses, harvesting, threshing etc improved drastically due to wide contact with people from different regions, spreading their knowledge in Europe.
Crusade trading had also started during the time while Europe faced a spike in population as well.
The East Asian States during this whole time faced many political troubles. Their governments kept on changing continuously from one dynasty to another.
Meanwhile, in these regions, Da-rul-Islam had formed deep roots as a result of which many forms of art and traditions excelled. <em>Muslim scientists continuously made astonishing discoveries one after another</em>.
Neurobiological functions, structures, activity, and biological needs and functions
Answer: a tertiary consumer (or higher level consumer); or, "apex predator".
__________________________
The higher up an organism is in the food chain (i.e, the higher the trophic level), the more likely the organism is likely to suffer the most from the effects of "biomagnification" (biological magnification; accumulation of toxins).
