Malthusian and Food Crisis Theory

A shot summary of Malthus Food Crisis:

Thomas Malthus (1766-1834) published An essay on the Principle of Population which was considered to be the most influential book of its era. Where Matlhus has its central point over the law of diminishing Returns. A law that States that Use of Additional Inputs while other being fixed will eventually decrease the output. Informally speaking what Malthus believed was that the worlds limited amount of land would not be enough to supply food as the population grows in future. He showed that both the Marginal Product and the Average Product will Fall and as a result there will be starvation.

What later happened was that there could have been starvation in future if only there were no technological improvement. People would have been using Subsistence living as they had before. But Malthus Statement could NOT be considered true because of factors like :