Which sentence best describes how the process of westward expansion affected American political culture? (1 point)
a.The culture of settlers led to a respect for self-reliance, but also led to discrimination against Native Americans.
b.The need for labor led to the abolition of slavery and increased respect for personal liberty.
c.The concept of expansion led to an accepting culture, and also inspired involvement in international politics.
d,The addition of new states led to a respect for states' rights, but also led to a decrease in the power of the urban majority.