Final answer:
The main factors influencing the size of the warehouse include land availability and cost, proximity to suppliers and customers, quality of transportation and communication networks, level of taxes, and the competence of the local government.
Step-by-step explanation:
The main factors influencing the size of the warehouse include land availability and cost, proximity to suppliers and customers, quality of transportation and communication networks, level of taxes, and the competence of the local government. Land availability and cost play a significant role as factories are usually built on cheaper land at the outskirts of cities. Additionally, the level of taxes and the quality of transportation networks are crucial factors in determining the size of a warehouse.