Which agricultural development allowed for a diverse and larger number of crops?

the british invasion was also known as "english wave", was the predominant musical trend in the united states in the mid-60s, when numerous groups ofss rock & roll that were originally from the united kingdom, reached high levels of popularity beginning with the success of the beatles in north america. all these groups, clearly influenced by rock & roll, blues and american rhythm & blues, were able to elaborate simple songs

and catchy. in the middle of 1962 the rolling stones began like one of a series of groups that show more and more influence, along with bands like the animals and the yardbirds. in 1963, the beatles and other rhythm groups, such as the hollies, had achieved great popularity and commercial success in britain itself. the british rock received a pass to the popularity of musical currents in the united states in january 1964 with the success "i want to hold your hand" ranked number 1 on the billboard hot 100 list, beginning the british invasion of the music list of the united states.

also musical genres influenced by african rhythms such as soul, began to have popularity.

many of the best musicians in history are english: the beatles, queen, pink floyd, bowie, the smiths, led zeppelin.

question as stated in comment

why did the chinese require the portuguese to pay for goods in gold and silver when trading?

choices

portuguese goods were less valuable than chinese goods.

the chinese already had a surplus of portuguese goods.

the imperial government wanted to stockpile gold and silver.

portuguese and chinese currencies were not exchangeable.

this a history q n in ancient time, theres no money exchange. so ans is portuguese and chinese currencies were not exchangeable.