The first one they fought against yellow fever
Answer: convincing people and businesses
Explanation:
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The Abbasid regime made changes int he former era in order to build a nation based on the equity of all Muslims. The new leaders opposed the extensive military victories in stopping the dominance of the Arab military class. They ended hatred against non - Muslims and made Islam a stronger diverse religion. The Abbasid also shifted the center from Damascus to Baghdad, a tiny market city on the shores of the Tigris river.
Farmers use biotech because it helped them increase yield and lower production costs.
