What would be the best title for this map ?

inputs: include raw materials such as iron ore, coal and limestone, along with labour, capital, site and other infrastructure.

processes: the process of converting iron ore into steel involves many stages. the raw material is put in the blast furnace where it undergoes smelting. it is then refined.

output: the output obtained is steel which may be used   as raw materials by other industries.

they built the city of tenochtitlan on an island because it was the best choice if there was ever an invasion. since it was on an island, the aztec army coudl protect all sides. it also had a system of canals and causeways that supplied the hundreds of thousands of people who lived there and protect the city. whenever there was an invasion, the aztecs would just attack anyone that tried to come down the canals towards the island.

hi,

republican and democratic,

hope this !