Lower Classes in Inca society was responsible for the physical construction of roads and bridges.
Hope this helps!
The Equal Rights Amendment<span> (ERA) was a proposed </span>amendment<span> to the United States Constitution designed to guarantee </span>equal rights<span> for </span>women<span>. The ERA was originally written by Alice Paul and Crystal Eastman. In 1923, it was introduced in the Congress for the first time.
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After Stalin died in 1953, the number of people sent to the gulag "<span>c. decreased dramatically," since Stalin was a primary proponent of sending political dissenters, any anyone he felt threatened by to the Gulag as punishment. </span>
From 1860 to 1895, the United States experienced advances in technology, the industrial revolution and the Mexican-American war.
It can't be the Spanish American war because that didn't happen until some years later. It can't be an agrarian revolution because this is during the INDUSTRIAL Revolution and education at the time wasn't prioritized as much as it is today.