There was a number of reasons. The articles of confederation didn't enable the central government to collect taxes. There was no National court to solve international conflicts. And many states took advantage of a missing strong leading figure in the form of a president. The Articles of Confederation was week due to giving too much power to the central government.
Answer:
Seems it's true
In real life parents shouldn't force a child though
<span>The period of life from about age 12 to 18 and the early twenties, during which a young person is no longer physically a child but is not yet an independent, self-supporting adult, is called adolescence.
</span><span>In this period the adolescents struggle with their body changes, mood swings and social issues. </span>
Ruomei's new liking for biology has been conditioned.
She was 'conditioned,' aka learned to love biology because of the guy she has a crush on. Previously, she wasn't interested in biology, but when she started liking this guy, she somehow connected her attraction to him to her growing love for biology. Thus, the guy was her stimulus to become conditioned to love biology.