What was the name of the coalition established in 1428 that linked the three emerging states of Mexico-Tenochtitlan, Acolhua with Texcoco, and Tlacopan?

I - The coalition was known as the Triple Alliance.
II - The coalition was known as Etetl Tzontecomatl.
III - The coalition was known as Excan Tzontecomatl tlahtoloyan.
IV - The coalition was known as Excan Tlahtoloyan.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) Only I and IV are correct.
e) All statements are correct.