The strongest argument is the inherent weakness and arbitrariness of the two-party system.

This was always our strongest argument.

More than a dramatic memoir, his essay is a strong argument against the precepts of bilingual education in America.

This, incidentally, is a strong argument in favor of keeping natural monopolies under public regulation rather than under public ownership.

The fact that this model is consistent with the growing information about apparently built-in perceptual skills and processing biases is certainly a strong argument in its favor.