Why do you think the Whitmans stopped baking bread when
they reached buffalo country

what kind of history is that?

Bread is a staple food prepared from a dough of flour and water, usually by baking. Throughout recorded history, it has been a prominent food in large parts of the world. It is one of the oldest human-made foods, having been of significant importance since the dawn of agriculture, and plays an essential role in both religious rituals and secular culture.

Explanation:

Bread may be leavened by naturally occurring microbes, chemicals, industrially produced yeast, or high-pressure aeration. In many countries, commercial bread often contains additives to improve flavor, texture, color, shelf life, nutrition, and ease of production.

the answer to your question is:

strong-mayor system

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;