Where did the system of Arabic numerals come from originally? To what regions did it spread after al-Khwarizmi wrote his book on the topic?

congress failed to remove johnson. but it did succeed in getting control of efforts to re-build the south following america's civil war. radical republicans wanted to punish the south for starting the war. they also wanted to be sure new governments in the southern states would support the republican party.

i believe the correct answer is b.