In the late 1800s, large-scale commercial
took hold in florida
cattle-raising
fish-canning
trout-fishing
gold-mining

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.

the democratic and republican parties

explanation:

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.