Answer: b
Explanation: without planes they wouldve never wouldve known how space looked like up close
The southern states had divided (i did a unit on this last year)
Easy answer. It is D. Only problem was that though the Woodrow Wilson proposed the idea the US never joined therefore no country actually listened to the decisions the LoN made.
Grand Coulee Dam<span> is a gravity </span>dam<span> on the Columbia River in the U.S. state of Washington, built to produce hydroelectric power and provide irrigation water. It was constructed between 1933 and 1942, originally with only two powerhouses.</span>
<span> 3.2 million-year-old female skeleton.</span>
