Research scientists used a standard practice called the scientific method to help them understand phenomena.
The Iron Curtain !
now i just have to reach the word requirement
Assuming you mean "undeveloped countries", then the <span>industry in developed countries compares favorable to that of undeveloped countries, since develop countries almost always tend to have more modern and thriving economies. </span>
Answer:
B is correct, the Industrial Revolution
<em>I hope this helps you</em>
<em>:)</em>
