Answer:
Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space. They are used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.
Explanation:
The Song Dynasty was so large and that was a factor in the empire's decline. They created so many positions within the bureaucracy and the men in those positions received a generous amount of money.
Used the indian's land, fought with them and made them angry?
Answer:
1: It forced it to build ships that could outrun the blockade. ... It encouraged European countries to trade with the South.
2: It caused it to build more factories to supply its needs.
Explanation:
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Answer:
Texas was a Spanish colony
