The mechanization of the spinning process in the late 1700s led to
the steam locomotive.
a high demand for cotton.
the mechanical reaper.
a decline in the economy.

The correct answer is "a high demand for cotton".

Explanation:

The mechanization of the spinning process in the late 1700s was a major achievement of the Industrial Revolution that had a major impact in the textile industry. As the spinning process became more efficient more textiles were produced in a short period of time. This led to a high demand for cotton, one of the raw materials of the textile industry.

union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

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