Possibly the telegraph. Morse code came into place with that. People could communicate with ticks.
Medieval age lasted for more than thousand years. The medieval age is formerly proclaimed to be Dark Age not because it was dark but because nothing was known.
After the collapse of Greek and Roman civilizations, the whole of Europe came under the supremacy of the churches at that which gained control. It was called as nothing was known or studied about the political structure that prevailed during that period.
Dark Age does not actually refer to the time when people spent much of their time in darkness. It simply means that nothing came into light from the period when great civilizations came to an end.
The U.S President Theodore Roosevelt became acquainted with
the naturalist John Muir in 1903. Muir guided the President through the
Yosemite wilderness, and convinced him to establish the Yosemite National Park,
the first in the country. Muir opposed the damming of the Hetchy Hetchy Valley,
known for its granite formations, and wrote to Roosevelt against it. However,
Roosevelt’s successors, not Roosevelt, approved the dam. So the two did not had
a solid disagreement.
homelessness, and hunger to millions. THE DEPRESSION IN THE CITIES In cities across the country, people lost their jobs, were evicted from their homes and ended up in the streets. Some slept in parks or sewer pipes, wrapping themselves in newspapers to fend off the cold.
Answer:Islam had already spread into northern Africa by the mid-seventh century A.D., only a few decades after the prophet Muhammad moved with his followers from Mecca to Medina on the neighboring Arabian Peninsula (622 A.D./1 A.H.). The Arab conquest of Spain and the push of Arab armies as far as the Indus River culminated in an empire that stretched over three continents, a mere hundred years after the Prophet’s death. Between the eighth and ninth centuries, Arab traders and travelers, then African clerics, began to spread the religion along the eastern coast of Africa and to the western and central Sudan (literally, “Land of Black people”), stimulating the development of urban communities. Given its negotiated, practical approach to different cultural situations, it is perhaps more appropriate to consider Islam in Africa in terms of its multiple histories rather then as a unified movement.
The first converts were the Sudanese merchants, followed by a few rulers and courtiers (Ghana in the eleventh century and Mali in the thirteenth century). The masses of rural peasants, however, remained little touched. In the eleventh century, the Almoravid intervention , led by a group of Berber nomads who were strict observers of Islamic law, gave the conversion process a new momentum in the Ghana empire and beyond. The spread of Islam throughout the African continent was neither simultaneous nor uniform, but followed a gradual and adaptive path. However, the only written documents at our disposal for the period under consideration derive from Arab sources (see, for instance, accounts by geographers al-Bakri and Ibn Battuta)
Explanation: Hope this helps you~!<\3