Correct option is A
The correct answer is (a) Romania.
• Romania is considered one of the first countries to use iron for the manufacture of weapons as early as 1700 BCE.
• The early use of iron in weapon manufacturing in this region is attributed to the development of iron smelting techniques and the availability of iron ore.
• The Hittites, who occupied parts of present-day Turkey and Romania, were among the pioneers in the use of iron for tools and weapons around this period.