Match each cause with its effect. The Mongols could not extend
their empire into northern Africa.
The Islamic culture of the captured
states influenced the Mongol rulers
to convert to Islam.
Russia lagged behind western
Europe in development.
Cause
Effect
The Mongols failed to improve
conditions in the Golden Horde
Khanate.
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By 1256, the Mongols established
the Il-Khan Khanate, which was
made up of mostly Islamic states.
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The Mamlūks defeated the Mongols.
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1. The Mongols could not extend their empire into northern Africa. - The Mamluks defeated the Mongols.

2. The Islamic culture of the captured  states influenced the Mongol rulers  to convert to Islam. - By 1256, the Mongols established the Ilkhanate, which was made up of mostly Islamic states.  

3. Russia lagged behind western Europe in development. - The Mongols failed to improve conditions in the Golden Horde Khanate.

Explanation:

Hope this helps

answer; (a) he was a u.s senator for 38 years;