a. British imperial regulations ([69]-[72]).

b. Confusion under Articles of Confederation ([140]).

c. Provisions of federal Constitution ([150]).

d. Internal improvements—aid to roads, canals, etc. ([230]-[236]).

e. Aid to railways ([403]).

f. Service of railways ([402]).

g. Regulation of railways ([460]-[461], [547]-[548]).

h. Control of trusts and corporations ([461]-[462], [589]-[590]).

5. Land and natural resources.

a. British control over lands ([80]).