What were the positive and negative effects of the columbian exchange?
think about
•disease
•food
•livestock

Se denomina intercambio colombino1 (del inglés, Columbian Exchange /kəˈlʌmbɪən ɪksˈʧeɪnʤ/) al proceso ocurrido entre los siglos XV y XVI en el cual se dieron a conocer productos agrícolas y otros alimentos del Nuevo Mundo (el continente americano) en el Viejo Mundo (Europa, África y Asia) y viceversa.2 Una definición más amplia incluye además avances tecnológicos, demografía e incluso enfermedades.3

Explanation:

The primary positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World.

are there actual statements because if not my answer would be: that using the five senses the author can create a sense of worth in an object to appeal to the reader and create meaning.

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south