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It's extremely useful to a modern country to build roads and bridges as this is the main way of getting materials and people to where they are useful. In Europe and North America today almost all of our produce, food, and other materials are delivered to their final destination by truck. People are delivered to their jobs by cars or buses. None of these roads can cross rivers, hence bridges are important.
One perfect example of the importance of these was seen in the wars in Iraq, in the beginning the Allied air forces concentrated on bombing bridges and roads. This alone brought the Iraqi economy to a halt.
What else can I help you with?
What type of bridges did the Romans build?
arch bridges
What are build on rivers?
Bridges
How do you build a bridge?
How do you constructed bridges?
Which bridge can you build out of straws?
you can build small mini bridges out of straw
Does the US congress have the power to build bridges?
Yes. Congress has the power to build bridges, establish post offices, and impeach the president if nesseccary
How many bridges did brunel build?
18
What do people build to get across rivers?
bridges...
Where did the Incas build their suspension bridges at?
they really did build the bridge
What kinds of materials are used to build highway bridges?
depends on the bridge type really. most are steel and concrete.
How were bridges important in the middle ages?
Since bridges were expensive to build, there were not very many of them. The result was that roads tended to converge on bridges. This concentrated traffic, and this, in turn, made the bridge an ideal spot to set up an inn, food stalls, a fair, and eventually, a town.
What do people build to help them cross rivers?
Bridges
What shape do you use to build bridges?
2 line
