Adolescence /ˌæd

decade /ˈdek.eɪd/ , /-ˈ-/ noun [ C ]
a period of ten years, especially a period such as 1860 to 1869, or 1990 to 1999
era /ˈɪə.rə/ /ˈɪr.ə/ noun [ C ]
a period of time of which particular events or stages of development are typical
the Clinton era a bygone (= past) era the post-war era
They had worked for peace during the long era of conflict.
The fall of the Berlin wall marked the end of an era.
evidence /ˈev.ɪ.d ə n t  s/ noun [ U ]
one or more reasons for believing that something is or is not true
The police have found no evidence of a terrorist link with the murder.
[ + to infinitive ] There is no scientific evidence to suggest that underwater births are dangerous.
[ + that ] Is there any scientific evidence that a person's character is reflected in their handwriting?
Several experts are to give evidence on the subject.
There is only circumstantial evidence against her, so she is unlikely to be convicted.
Campaigners now have compelling documentary evidence of the human rights abuses that they had been alleging for several years.