Why build roads and bridges to get rid of poverty and overcome difficulties?

Traffic plays an important role in tackling poverty. Building roads and bridges is a major event to improve people's livelihood. "If you want to be rich, you should build roads first", "If you are prosperous on the road, you will be prosperous" and "Get rid of poverty and attack hard, and traffic will come first". These familiar sayings all illustrate the important role of transportation in tackling poverty. Therefore, to get rid of poverty and overcome difficulties, we must first build roads and bridges, which is a major event to improve people's livelihood.