Force, War etc..., If you were to give Muslims a choice in their country, many will turn to Christ. Muslim countries do not have freedom of religion, that's why so many are forced to be a Muslim. Give them democracy and only then you will know how many are true Muslims.
Muslim leaders did and do not try to prevent imperialism. There have been great Muslim empires such as the Ottoman Empire, the Mogul Empire etc. Muslims and Islam was and still are imperialists as is proven by the desire by some for a new Muslim caliphate.
Islam spread in Mali and Ghana by the Arab Muslim traders.
Islam is a religion not a spiritual leader. Islam is not dead.
It was spread by Muslim traders.
Islam is spread allover the world although with different Muslim percentages to total population. It is the authenticity of Islam and its truthfulness that helps Islam spread everywhere.
Islam did not spread by military and sword. although Islam had wars. Islam is ideology and people does not believe in something with sword. people heard Islam and researched and thought about it and then accepted Islam.
there are many Muslim leaders on the level of mosques leaders, Islam State Muslim leader, AlAzhar Muslim leader, The Islamic Union Muslim Leader, ... etc. So whose wife do you ask about?
Islam is spread all over the world but with different Muslim percentages
Merchants spread Islam through ways of communication. A Non-Muslim merchant would meet a Muslim merchant and learn about his culture, traditions, and religions. On come occasions, this would result in conversion due to the perceived merits of Islam.
they translated islamic works into other languages
There are no formal Muslim missionaries assigned by the Mosque or the Muslim leaders as in Christianity. However, there are some Muslim leaders who can be referred to, on individual bases, by those who are willing to convert to Islam but need to learn about it before converting.
Islam did not spread the same way throughout all of Africa. In North Africa, Islam spread by conquest. In West Africa and along the Indian Ocean, Islam spread by contact between Muslim merchants and local Non-Muslims.