Answer: by explaining how much faster the first transcontinental passenger flights were
Answer: I would think D even though none really fit well. The union of the states could be thought of as a federation and our government is a democratic republic.
Answer:
Explanation:
THE PYRENEES. From the Bay of Biscay to the Mediterranean Sea, the Pyrenees Mountain Range is a formidable natural border between France and Spain - the highest peak is over 11,100 feet tall! ...
THE ALPS. Few mountain ranges touch as many countries as the Alps. ...
THE ROCKIES. ...
THE ANDES. ...
THE HIMALAYAS.
Appalachian Mountains