If your choices are the following:
The cotton gin
The flying shuttle
The water frame
The shuttle fram
The textile innovation reduced the labor force needed to operate looms by half is The cotton gin. So the answer is the first option.
<span>At first, Theodore Roosevelt, who was commander-in-chief from 1901 to 1909, seemed an unlikely candidate for the 1912 presidential election. After backing his close friend William Howard Taft to serve as his successor, he disappeared on an extended hunting trip to Africa.</span>