1. Concluding sentence

2. Concluding Sentence 1 Topic Sentence: The reason city-states were able to develop in Mesopotamia was because of a consistent water supply and a decent supply of natural resources Concluding Sentence: These two natural resources allow city-states to develop in Mesopotamia.

3. Concluding Sentence 2 Topic Sentence: The reason city-states were able to develop in Mesopotamia was because of a consistent water supply and a decent supply of natural resources Because of the mother natures wonders, city- states were able to develop in Mesopotamia

4. Concluding Sentence 3 Topic Sentence: The reason city-states were able to develop in Mesopotamia was because of a consistent water supply and a decent supply of natural resources H2O is a gift that not only provides people with something to drink, but it provides them the ability to come together to create what we know as today as the beginning of a civilization; thus the city state is created.