A.The empire was regularly attacked by Arab Muslims.
The Byzantine Empire was a prized region to obtain for the Arab Muslims. 
The Arab Muslim Empire regularly attacked the Byzantine Empire. The goal was to gain access to the Anatolia peninsula which was home to Constantinople. Constantinople was the trading center to Europe and and to Asia. Many emperors made the Byzantine Empire a goal and it fell in 1453 under the leadership of Mehmed II. 
 
        
                    
             
        
        
        
The answer is a. Trade with other Asian nations
was a large reason for industrialization in Japan. Japan was now
entering a phase of modernization.  It
was now making a shift to trade with other countries to boost its economy.
 
        
                    
             
        
        
        
Answer:
? can you explain a bit more ?
Explanation:
 
        
             
        
        
        
Economists refer to the polarization of the labor force when middle-class jobs requiring a moderate level of skills, like autoworkers' jobs seem to disappear relative to those at the bottom, requiring few skills, and those at the top, requiring greater skill levels.
<h3>What causes a polarized society?</h3>
Social polarization is the segregation within a society that emerges when factors such as income inequality, real-estate fluctuations, and economic displacement result in the differentiation of social groups from high-income to low-income.
<h3>
What is the polarization effect?</h3>
Polarization refers to an effect reducing the performance of batteries. This effect is a displacement of electrode potential from the equilibrium value. There are two types of polarization: activation and concentration.
Learn more about polarization here: brainly.com/question/13090534
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