Answer:
Correct answer is Trade allowed new technologies to spread.
Step-by-step explanation:
First option is correct because with exchange of certain goods and products, people were also sharing their knowledge and development, which of course led to improvements in technology.
Second option is wrong because it actually led to rise of merchant class.
Third option is not correct as not only that it did not limited their development, but allowed them to develop and prosper.
Fourth option is not correct is not correct as every civilization fought to have larger impact and to spread its influence.