The era of exploration by the Spanish in the area North of the Rio Grande comes to an end when this explorer returns to Mexico having discover nothing in West Texas.

the correct answer is b

hope i someone

d) in the state of iowa

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."