I would say all of the above except the last option. "Dirty conditions led to disease "
The introduction should involve a hook and something to persuade the reader to continue reading the paper. But only a couple sentences should do good.
Those countries were known as the "non-aligned nations." The Non-Aligned Movement was initiated by the leaders of Yugoslavia, India, Indonesia, Egypt and Ghana. Many other nations joined in their movement to keep free of commitments to the two superpowers, the USA and the USSR. At the Bandung Conference in 1955, twenty-nine nations were represented. The Belgrade Conference in 1961 was the first official summit of the Non-Aligned Movement. Member nations attending that conference were Afghanistan, Algeria, Burma, Cambodia, Ceylon, the Congo, Cuba, Cyprus, Egypt, Ethiopia, Ghana, Guinea, India, Indonesia, Iraq, Lebanon, Mali, Morocco, Nepal, Saudi Arabia, Somalia, the Sudan, Tunisia, Yemen, and Yugoslavia. <span>Bolivia, Brazil, and Ecuador attended as observer nations. (Note also that Cuba was an original participant in the movement, but then ended up aligning with the USSR.)</span>
Most of those religions focused on the sun, since the sun was giver of life...meaning food crops and warmth.
Hope this helepd.
It is the convivencia or the Coexistence. It is a scholarly speculation with respect to the time of Spanish history from the Muslim Umayyad success of Hispania in the mid-eighth century until the ejection of the Jews in 1492. It guarantees that in the distinctive Moorish Iberian kingdoms, the Muslims, Jews lived, and Christians in relative peace.