Why do some industries have inelastic supply in the short term?

Inelastic supply means that an industry cannot change its output level easily. This is because they program or plan their output in advance, based on past sales and demand. If the demand for a good increases rapidly, the industry that produces it cannot change its output because they are not prepared for it.  

In the short run, firms cannot easily change their output levels, making supply inelastic. ... Why do some industries have inelastic supply in the short term? They grow/prepare their goods years in advanced, so they cannot change their quantity supplied.

answer; ///i believe its (b); ///the president will sign it or veto the check first good luck

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.