Imagine that it's a hot day out, and no one has thought of selling water. If Elise is the first person to figure out that water is marketable and she is the only one to sell it, which of the following will she have a lack of?

potential for profit
competition in the market for water
a supply of water to sell
incentive to enter the market for water

The answer is B.

If no one else has thought of it,

then she would be the first to do so.

Explanation:

a. competition with other nations.

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.