Within bronfenbrennerâs ecological-systems approach, he called the historical context that affects other systems the ) ecosystemb) chronosystemc) mesosystemd) macrosystem

b. chronosystem

Explanation:

Chronosystem -

Urie Bronfenbrenner in the year 1979 , developed the most famous ecological systems theory , which helps to explain the external factors which determines the growth and development of a child.

The chronosystem consists of all the environmental event that occur in the development age of the child , is referred to as chronosystem.

hence, from the question , the correct term from the given options is chronosystem.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

i looked up you question and i found this on quizlet i hope this is one of your answer choices.

modern american cars are not available due to trade restrictions