The fact the two sides were able to even reach tentative agreement was a feat to what?\nOptions:\n- accomplish\n- make progress\n- stop arguing\n- do business\n- concert
Please answer the following question by reasoning step-by-step.
accomplish
An agreement is possible to occur only when it has accomplished.

The 2 sides reached a tentative agreement means it was a feat to perform or accomplishment.

.

Therefore, the answer is accomplish