My guess is b. Muhammad tughluq...... Sorry if it's wrong but I really think it is b.
Answer:
A social contract is an agreement between the ruled or their rulers.
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Tariffs on imports
The 1920s presidents began a system of tariffs on imported good to encourage spending on American goods only. However, with no trade, European countries were unable to make money.
Tariffs are taxes on imported goods. This is a common economic policy of conservatives.
what I think is the answer. Jackson wanted the common people to be equal to the big rich guys, so he let any white man vote. Of course the rich people disliked this, but he didn't really care. Basically as long as you were white and a man, then you could vote. He seems nice for doing this, but he still approved slavery and wanted to get rid of all the Indians for getting in the way of the pioneers. Hope I helped :)
(5a - 2a) +3
Collect terms: 5a -2a = 3a
3a +3 is the answer because 3a can’t be added to 3 as it’s on its own.