What was Abū Bakr’s contribution to the spread of Islam? He based the government on Islamic law.
He brought Muslim ideas into Central Asia and India.
He created new forms of architecture, including mosques.
He united the Arabian Peninsula under one language and religion. I will give u 55 braily points if ur right pls hurry I'm taking a test and its timed

The transcontinental railroad runs from the to the i. north ii. south iii. east iv. west a. i and ii b. ii and iii. c. iii and iv d. ii and iv

If f(x) = 3x + 2 and g(x) = 2x - 2. what is (f - g)(x)?

Analyze the quotation below in the context of european exploration in the americas. as you read the quote, think about what it says about columbus's motivations to explore. was he interested in gaining knowledge, wealth, or both? how did his motivations influence how he treated the people already living in the americas? i did not try to examine them in detail, because it could not be done in 50 years. for my desire is to see and discover as much as i can before returning to your highnesses, our lord willing, in april. it is true that in the event of finding places where there is gold or spices in quantity i should stop until i had collected as much as i could. i, therefore, proceed in the hope of coming across such places.