<span>Cultural diffusion was most advanced by the contact of business people with foreign cultures. A and B are definitely not correct as their impact is obviously not as important. C could be correct, but business people are those whom we should thank for today's cultural diffusion. It means that culture is all over the world - people are generally familiar with other nation's culture, and it's all thanks to business people who spread their culture when they go to work in foreign countries. </span>
The answer is not C, just because nations political leaders were together didn't imply culture-sharing. the choice of B or D are better because Indians did relocate and the economy of western countries are far superior than 3rd-world countries.. large corporations and spread out businesses do exist.
El se ha enfocado en lo que es mejor para su hija y el, se a enfocado en conseguir exito. Se centro en tomar las opurtunidades que los demas le ofrecian sin importar que fuera un hombre negro, empezo desde abajo tuvo visión y llego a la sima.
The Above passage is an Explanation ( a very detailed explanation to why a radio signal carrying Morse code on a continuous wave should be used in conveying information instead of the use of a Modulated radio signal ).
Also This is because the passage sheds light on some uncommon knowledge hence we will categorize it as an explanation.