1. The Spanish conquerors called their new American colony Nueva Espana, or New Spain. The second choice is the correct answer.
2. Lands that the Indians worked in common were called ejidos. The second choice is the correct answer.
3. Haciendas were large estates owned often by wealthy families, but worked by many peasants, usually Indians. The second choice is the correct answer.
The difference between a dry climate and a tropical climate is that the dry climate as you know is dry and the tropical climate is moist and wet, the compare is tropical wet climates receive much more rain than tropical dry climates do. However, the term “tropical wet and dry climate” actually refers to a single type of climate. Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt.
I think it is the 3rd answer choice.