It was groundbreaking because it was funny and educational and approached modern topics in a way that was accessible to children, yet it wasn't offending anyone. It was one of the first show whose educational effects on children were studied and it is considered to be a very positive show and a good thing to watch. The long term impact is that it created a legacy of a hundred million people watching the show in their lifetime, usually when children.
We first domesticated farm animals, sheep and goats were among the first domesticated roughly 11,000 years ago.
Cats became pets around 7000 B.C. with the advent of agriculture.
No one can pinpoint exactly when humans first started keeping dogs as pets, but estimates range from roughly 13,000 to 30,000 years ago.
A team of archaeologists recently presented new evidence that horses were domesticated in 3500 B.C.—about a thousand years earlier than previous estimates
When colonists boycotted British goods under the Stamp Act, they b) refused to participated in buying stamps. Many times tax collectors were intimidating by the colonists who were protesting, and effectively were not able to collect the tax. Most states were revolted and sent petitions to Great Britain in protest of this tax imposed on the colonies.
Christopher Columbus and his fellow colonists enslaved the Native inhabitants of the West Indies.
Hope this helps!