I meant to used them alone, not to associate with some other term. I have an example, but one example could be actually misleading, as one example could only show one way of use.
Not only did the systematic clearing of forests in theUnited States create farmland (especially in the Northeast) and gave consumersrelatively inexpensive houses and furniture, but it also causederosion and very quickly deforested whole regions. A.Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relativelyinexpensive houses and furniture, but it alsoB.Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast), which gave consumers relativelyinexpensive houses and furniture, but alsoC.The systematic clearing of forests in the United States , creating farmland(especially in the Northeast) and giving consumers relatively inexpensive housesand furniture, but alsoD.The systematic clearing of forests in the United States created farmland(especially in the Northeast) and gave consumers relatively inexpensive housesand furniture, but it alsoE.The systematic clearing of forests in the United States not only createdfarmland (especially in the Northeast), giving consumers relatively inexpensivehouses and furniture, but it
I think but or but also are both Ok in this choice
Bengal - born writer, philosopher, and educator Rabindranath Tagore had the greatest admiration for Mohandas K. Gandhi the person and also as a politician, but Tagore had been skeptical of Gandhi's form of nationalism and his conservative opinions about India's cultural traditions
A. same B. for Mohandas K.Gandhi as a person and as a politician, but Tagore was also C. for Mohandas K.Gandhi not only as a person and as a politician, but Tagore was also D. of Mohandas K.Gandhi as a person and as also a politician, but Tagore was E. of Mohandas K.Gandhi not only as a person and as a politician, but Tagore had also been
but also here is conveying contrast, there is no doubt
regarding the use of also, here is my personal opinion:
also is used to convey two actions ( with the one connected by also showing inferior importance)
Ex: I eat an apple and also a pear. ( the meaning here might be construed as a fact that I prefer eating apple or I want to emphasize the main event I do is eating apple, while eating pear seems to be an background or inconsequentially followed one)
It seems to me that but also here is to convey contrast, with the intent of emphasizing the former one
but also seems to introduce another different attitudes ( also is used to convey that there are two attitudes possessed by the author)
again, here is an extremely subtle point and is only my personal opinion
I can assure you will not encounter any choices that only require you to make the distinction between but also and but