Answer:
1.They were in a bad state but it mattered little because no one used them.
2.Merchants began to haul heavier loads with fewer hours,leading to increased trade and lower prices.
3.a.The British parliament passed laws directing that rivers be dug deeper and made wider.
b.Private firms cut canals at key points and connected rivers.
c.Thanks to web of waterways,boats could reach towns they had never been able to reach before.
4.He built a 133-foot paddle boat powered by a steam engine,the Clermont,that sailed on the Hudson River.
5.True
6.True.
7.He invented electrical telegraph.
8.The Rocket inspired American investors to turn their attention to railroads.
9.True
1o.True
11 .The first telegraph line ran from Philadelphia,Pennsylvania and New York City.
Explanation: Hope it helps