Umayyad was more opened while Abbasid didn't want to interact with non-Arabs
The telegraph changed society by facilitating communications among Americans. The telegraph gave Americans the chance to send and receive messages at an unprecedented speed and volume. Professor Samuel Morse, an instructor at New York University, created the first version of the telegraph in the 1830s, and, although well-planned, the device required significant revisions before allowing communications between the East and West coasts and eventually overseas
The Maurya Empire<span> when first </span>founded<span> by Chandragupta</span>Maurya<span> c. 320 B.C.E., after conquering the Nanda </span>Empire<span> when only about twenty years old.
This is helpful:
</span>www.newworldencyclopedia.org/entry/Maurya_<span>Empire</span>