What was the strange thing that inventor noticed as they were trying to improve the telegraph? 1. Sounds only went through when the wires were connected.
2. Sounds were going to other things besides wire.
3. Signals were picked up by wires that were far apart.
4. Signals were going through the air to other wires.

Could a filibuster occur today in the house of representatives

“well,” he says, “there’s excuse for picks and letting-on, in a case like this; if it warn’t so, i wouldn’t approve of it, nor i wouldn’t stand by and see the rules broke—because right is right, and wrong is wrong, and a body ain’t got no business doing wrong when he ain’t ignorant and knows better. it might answer for you to dig jim out with a pick, without any letting-on, because you don’t know no better; but it wouldn’t for me, because i do know better.” the meaning in this excerpt is

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false