What are all the options?
The answer would be 2,3 and 4
<span>The red scare that lay the ground for
</span><span>mccarthyism </span><span> was sparked off by numerous success stories of the communist forces.
The success of communism forces in china, and the increased mentions of soviet nuclear bombs and the discovery of several agents from USSR in the USA territory led to red scare that reached its peak with the sputnik news.
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Answer:
Muslim forces repeatedly attacked the Christian Byzantine Empire.
In 1453, Constantinople fell to the Ottoman Empire. The city was renamed Istanbul
Explanation:
The crusades were arguably started because of the constant attacks of the Muslim forces on the Byzantine Empire. The Byzantine Empire is the medieval version of the Eastern Roman Empire, and as explained in the question, it was a christian state.
In 1453, after a long siege, the Seljuk Turks conquered Constantinople, which had been the Eastern Roman Empire for over 1,000 years. After the conquest, the Turks changed the name of the city to Istanbul.