Answer:
A. The Rio Grande, because it acts as a natural border, separating Texas from Mexico.
Explanation:
The Rio Grande is an important river which acts as a natural border separating Texas from Mexico. Rio Grande started in south-central Colorado in the United States and flows to the Gulf of Mexico. Due to this river, Mexico is located at one side while Texas is present on the other side of the river. This river helps in separating two regions naturally so we can conclude that Rio Grande act as natural border.
All thses led to or increased tension in Massachusetts EXCEPT D) The second Continental Congress.
<span>Many cities became industrial centers. Hope this helps!!</span>
Factors that influenced the development of Christianity in East Africa involved carvans of Christians traveling through the trans-Sahara desert.