As a politician who gave higher priority to political harmony than to territorial expansion, Martin Van Buren rebuffed Texas' request for annexation because he feared

Athe struggle between North and South leading to a dissolution of the Union

Bthe bitter struggle over the price of land offered to new settlers

Cthe initial reaction by the Native Americans living in the surrounding states

Dthe expensive financial restitution needed to be paid to Mexico

Ethe overwhelming Mexican population attempting immigration into the U.S.