American governments played the role through a variety of means: state governments established quasi-public corporations through the charter policy, granting many privileges to such chartered corporations, federal, state and local governments together pro
American governments played the role through a variety of means: state governments established quasi-public corporations through the charter policy, granting many privileges to such chartered corporations, federal, state and local governments together pro
在交通革命中，政府干预的形式是多种多样的，包括实行特许状政策，建立具有半公半私性质的公司，给予这类公司多种优惠政策，提供部分建设资金，免费赠予公共土地等；在很多情况下，政府（尤其是州政府）还直接投资兴办公路、运河和铁路工程。