Answer:
Nubian traders supplied Egypt with animal skins, ivory, ostrich feathers, and beautiful woods from the African interior. Nubia traded gold from its desert mines for Egyptian wheat.
Answer:
add more points and A is the answer 2020 edg.
Explanation:
In this example, john's whistling is serving as a discriminative stimulus.
This procedure, studied by Ivan Pavlov, shows a stimulus ( in this case the action of John's whistling) and a response ( the cattle run to the food trough).
Pavlov studied it with dogs. He realised that when a trainer fed them, dogs salivated. So, he presented the dogs with a "stimulus" ( the sound of a metronome) and when he gave the dogs food. After a few repetitions, when the dog listened to the stimulus, it salivated.
Confraternities are laypeople who dedicated themselves to strict religious observance.
<h3>Who are confraternities?</h3>
Confraternities were corporate organizations present in a number of religious traditions that centered laypeople's charity and devotional activities on the concept of ritual kinship. They had between a dozen and a hundred members and were present in almost every urban area as well as many rural communities. Nearly 20% of the people in Antwerp in the middle of the seventeenth century belonged to a brotherhood, a figure common in other European cities. Venice had 120 confraternities in around 1500 and 387 by around 1700. A confraternity was present in nearly every rural village in Spain, where a 1771 government census counted 25,038 brotherhoods, and in 70% of the rural parishes in Trier by the late eighteenth century.
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