Question

review the details below.

• hawaiian surfers george freeth and duke kahanamoku helped establish the sport in california, australia, and new zealand.
• surfing, popular in pre - colonial hawaii, was used to attract tourists visiting waikiki beach in the early twentieth century.
• the first surfboards were made of solid wood, but in the 1930s, american tom blake developed a cheaper, lighter version that attracted new surfers.

choose the best topic sentence to introduce a paragraph containing these details.
a number of factors influenced the spread of surfings popularity in the early twentieth century.
surfing had limited widespread appeal until hawaiian surfers helped popularize the sport.
although once limited to a few areas, surfers have found excellent surfing conditions all over the world.

Explanation:

The details mention multiple elements like Hawaiian surfers' role (George Freeth and Duke Kahanamoku), surfing's use for tourism in early 20th - century Waikiki, and Tom Blake's innovation in surfboards. These are all factors that influenced surfing's spread in the early 20th century. The second option only focuses on Hawaiian surfers (ignores other factors like surfboard innovation). The third option is about surfing conditions worldwide (not related to the given details about factors influencing popularity in early 20th century).

Answer:

A. A number of factors influenced the spread of surfing's popularity in the early twentieth century.