All of the above are true
Answer:
<u>Danyang–Kunshan Grand Bridge</u>
The Lake Pontchartrain Causeway is the world's longest continuous bridge over water. The world's longest bridge is the Danyang–Kunshan Grand Bridge in China, part of the Beijing-Shanghai High-Speed Railway. The bridge, which opened in June 2011, spans 102.4 miles (165 kilometers).
second longest= Changhua–Kaohsiung Viaduct
Taiwan High Speed Rail
#answerwithquality #BAL
Answer:
It's the big flat continent at the bottom.
A biggie: the transcontinental railroad. Because it would economically improve wherever it was, both the North and the South competed for the railroad to be in their respective territory, evidenced by the Kansas-Nebraska Act and the Gadsen Purchase and induction of California as a free state in 1860.
In addition: people could get land cheap because it was abundant and might leave to start afresh economically.
There's other stuff I can't remember as clearly, but there's a little and I hope it helps :)
