A 20 kg traffic light hangs midway on a cable between two poles 40 m apart. If the sag in the cable is 0.20 m, what is the tension in each side of the cable?

Most runaway enslaved people: ​

By the 1850s, the political system of the white South:

Mid-nineteenth-century planters began to treat their enslaved people marginally better because:

Which demographic made up the majority of the migrants who settled on the Texas land granted to Stephen F. Austin by Mexico in the 1820s?

Which group attracted scrutiny due to their dress, eating habits, and recreational use of opium during the California gold rush, which began in 1849?

Which statement describes the effect of the growth of railroads in the 1850s?

How did the white settlers who traveled west in wagon trains during the mid-1800s bring devastation to the Plains Indians? ​

In 1855, African American leaders saw their most notable success to date when, in Massachusetts,

Factories became more productive in the United States during the 1840s and 1850s due to: