The correct statement here is
(2). Over time, the Arab Empire expanded and conquered Byzantine territories in the Middle East and northern Africa
Explanation:
At the time of the bifurcation and eventual fall of the original Roman empire with its fragmentation, the holy Roman empire up west was the empire that was its successor in a sense while the empire that emerged to the east was of the Byzantines who were ruling from Iran.
Their power would be challenged by the caliphate after the formulation of Islam as they would eventually take over all the territory of the Byzantines and force the empire into near submission.
The proposed changes to boost the Chinese economy that caused Mao to launch the oppressive Cultural Revolution included allowing workers to compete for wages, capitalist reforms that Mao viewed as anti-Communist, and to allow farmers to sell their excess crops.
The Cultural Revolution was launched by the Chinese Communist Party Chairman Mao Zedong to reinvigorate the spirit of the Chinese Revolution.
In the 1960s, Mao was worried that China would adopt the Soviet model which he felt was a betrayal of the Russian Revolution. He was also concerned with his diminishing role in the government.
He felt that the economic policies adopted by his colleagues to revive the Chinese economy after the failed Great Leap Forward policy were against the spirit of the revolution. These included reforms on worker’s wages and sale of agricultural produce.
To learn more about the Cultural Revolution: brainly.com/question/10693549
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The correct answer is any substance or environmental factor other than a steroid
The independent variable is the factor or behavior that is manipulated by the experimenter in order to observe the effect of that manipulation on another factor or behavior that is the dependent variable. To you It is also called the experimental or active variable.
Jet stream and cold front of course