Baron Pierre De Coubertin
The correct answer to this open question is the following.
Although there are no options attached, we can say that the major factor in spurring on Iran's development of nuclear weapons in the 1980s was the victory of the Revolutionary forces in Iran, that overthrew the Shah, the last one that ruled over Iran. So in 1981, after the civil war ended, Iran authorities decided to continue the development of nuclear weapons as a way to defend the sovereignty of the country. In that time, the Soviet Union decided to support Iran sending expert scientists to help Iran to develop its own research program.
With the increase of trade a new class of people devolved made up of merchants, traders, and craft workers. these people began to form an association called guilds.
Economic:
desire to make money
to expand and control foreign trade
to create new markets for products
to acquire raw materials and cheap labor
to compete for investments and resources
to export industrial technology and transportation methods
Military:
To claim territory to create bases to protect the empire
to exercise military force
to use as a refuel and resupply area
to boost national pride and security
Political:
based on a nations desire to gain power
to compete with other european countries
to expand territory
to gain prestige by winning colonies
to boost national pride
Ideological:
based on cultural values such as the belief that the white race was superior
other cultures were "primitive"
social Darwinism
europeans should "civilize" peoples in other parts of the world
great nations will survive
Religious:
the desire to spread christianity
to protect european missionaries in other lands
to spread european values and moral beliefs
to educate peoples of other culture
to end slave trade in Africa
Exploratory:
the desire to explore "unknown" or uncharted territory
to conduct scientific research
to conduct medical searches for the causes and treatments of disease
to go on an adventure
to investigate unknown cultures