4.) His assembly line, which he introduced in his automobile plants in 1914, was a revolutionary technique,
which became a model for other industries.
a. Frank Duryea
b. Henry Ford
c. Orville Wright
d. John D. Rockefeller

B. Henry Ford

Explanation:

The assembly line was the most important change in industrial technology was the emergence of mass production and, along with it, the moving assembly line, which Henry Ford introduced in his automobile plants in 1914.

the answer should be monarchy

mustafa ataturk thought nationalism in turkey would best be achieved by modernizing the country.