<span>The correct answer is a combination of privately-owned businesses and government regulations. In a mixed economy, the government allows for private businesses to supply certain goods. However, the government is involved in supplying critical goods such as in the utility sector. It can also intervene when need arises.</span>
Answer:
The footprints at Laetoli were remarkably well-preserved because: they were made in an ash slurry that quickly hardened and were then buried by volcanic ash soon after they formed .
Explanation:
Laetoli -
It is the archaeological site present in the region of northern Tanzania .
In this site the footprint of the ancient humans are preserved , because of the volcanic eruption .
Around 3.85 million years ago , a volcanic eruption took place , and due to the ash fall of the eruption , the foot prints of the ancients got preserved .
During the era of slavery in the United States, the education of African Americans, enslaved and free, was often discouraged, except for religious instruction, and eventually made illegal in many of the Southern states. It was believed that literacy was a threat to the institution of slavery. First, literacy facilitated knowledge about the successful slave revolution in Haiti of 1791–1804, the end of slavery in the British Empire in 1833, and the writings of abolitionists. Secondly, literacy allowed or potentially allowed slaves better access to information about the Underground Railroad and other routes to freedom.
She is an Indian woman who led Louis and Clark on an expedition with a baby on her back
