How did Ibn Baṭṭūṭah’s work differ from al-Idrīsī’s? Ibn Baṭṭūṭah traveled to places he wrote about, while al-Idrīsī sent explorers.
Ibn Baṭṭūṭah focused on work in mathematics, while al-Idrīsī was an astronomer.
Ibn Baṭṭūṭah became a political adviser in Sicily, while al-Idrīsī traded along the Silk Road.
Ibn Baṭṭūṭah developed the idea for the camera obscura, while al-Idrīsī explained how it worked.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.

the correct answer is a: slaves from other colonies ran away to georgia.