I believe the answer is B
State governments cannot create a state navy.
All defence policy, including the ability to have and maintain armed forces, is the responsibility of the national government.
However, there is such a thing as State defense forces (SDFs), which are military units operating under the authority of a state governor. Most states have laws allowing SDFs, and nearly half of them have such active forces. They are usually army forces, but there are also some air and naval units.
Velocity= Distance/time or V=D/T. there is a triangle to help remember this
D
I believe it was because they wanted to rule more land.
Cowboys herded and rounded up livestock that were transported by rail around the country for sale. To distinguish what cattle belonged to which ranch, cowboys would brand the animals by burning a special mark into their hides. It took between eight and 12 cowboys to move 3,000 head of cattle along cattle drives
