In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: Much work and research in compiler theory and design was caused by the need to generate good code for Fortran programs .
A: 
The development of Fortran paralleled the early evolution of compiler technology , and many advances in the theory and design of compilers were specifically motivated by the need to generate efficient code for Fortran programs .