One problem for achieving world peace, according to experts, is the reduction in the proliferation of weapons.

Answer – True

According to experts, one major challenge in achieving world peace is how to control and probably abolish the proliferation of weapons, particularly weapons of mass destruction (nuclear weapons). The Non-Proliferation Treaty (NPT) functions as the legal international instrument that sets the ethical rules to bind its parties to reduce their nuclear weaponry and to encourage the peaceful uses of nuclear power.

i think it is the third one.

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.