Answer:
Hydrogen
Explanation:
It was the easiest atom to form (one proton and one electron). Hope this helps!
1825: Turnpikes, canals, and rail lines drastically changed America's landscape, beginning in the 1800s. Following the War of 1812, the American economy was altered from an economy partly dependent on imports from Europe to an empire of internal commerce.
<span> regulate commerce in both the North and the South, but could not yet regulate the slave trade.</span>
The early civilization with the least developed technology was A. Mesoamerican.