Possibly the telegraph. Morse code came into place with that. People could communicate with ticks.
The property taxes that you pay are used for a number of things such as road construction, the police and fire department, and organized recreation in your area.
Answer:
Muhammad is last prophet allahuakbar
He was from the Soninke ethnic group. Askia Muhammad strengthened his empire and made it the largest empire in West Africa's history. ... In addition, Askia established standardized trade measures and regulations, initiated the policing of trade routes and also established an organized tax system.
Virginia has the largest number with a total of 292,627 slaves