The new jersey plan called for
a. the abolition of slavery.
b. equal representation for all states in the congress.
c. abandoning the articles of confederation.
d. a strong president.

The New Jersey plan called for equal representation for all states in the congress. The correct option among all the options given in the question is option "b". The states wanted equal representation in the Congress irrespective of the size of the population of that state. They also wanted the power to regulate and tax interstate commerce.

The answer is letter B.

The New Jersey Plan called for the equal representation of all states in Congress. It called for each state to have a vote in Congress for a representative of the state. This was because votes before were based from the number of population. The plan aims to ensure the equality of each states of the US regardless of its population size.