He applied his skill in engineering to toughen up the defence
Answer:
critical period
Explanation:
Critical period: In developmental biology & psychology, the term critical period is defined as the phenomenon that involves an individual's maturational stage in his or her life span in which the nervous system of the person is considered as very sensitive to a few specific environmental stimuli.
If an individual, doesn't receive required stimuli from the environment which is considered as necessary to develop specific functions then it would be difficult for the person to develop those functions later in life.
The critical period was first introduced by John Fiske during 1888.
In the question above, the given statement represents the critical period.
Trade along the Silk Road has had the following effects on the world around 1000 CE:
A.) People in South and Eaat Asia ate foods grown in the Middle East.
D.) People in South Asia has access to materials such as silk and glass.
Imperial Civil Service Examination Established in 605 CEwas open to all male citizens, was based a great deal on Confucianism, gave even common herd a change to work in government, and was was very popular with the working class, and made sure the most excellent and brightest worked in government.hope it help
B. A command economy is solely based on the government controlling all factors in production
