permit; to let
We allowed our son to start driving when he turned 16 years old.
childrearing
the practice of looking after children until they are old enough to look after themselves
After she devoted 15 years to childrearing, she decided to pursue a career.
decade
a period of 10 years
After decades of working on his invention, the scientist was finally rewarded for his hard work.
dramatic
making a big impression
She made a dramatic entrance to the party; she wore a beautiful gown with lots of jewelry.
ensue
happen in sequence
After the terrible earthquake, a tsunami ensued.
establish
to found, create
The English established several colonies around the world.
fertility
the ability to produce offspring or new plants
They decided to adopt a child because they had problems with fertility.
Great Depression
the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock-market crash in October, 1929, and continuing through most of the 1930s
Her grandfather had lived through the Great Depression, and he hates to waste any food.
inevitable
definitely going to happen
It was inevitable that you will not get into a good college if you don't study hard.
inhabit
to live in an area
I was surprised to find that people inhabit such places as Siberia.
life expectancy
the length of time that a living thing, especially a human being, is likely to live
The life expectancy in America has greatly increased in the past 50 years.
massive
huge, great
A massive amount of information is available on the internet.
millennia
a period of 1000 years
By the year 2000, there were two millennia.
mortality
the rate of death from illness or disaster
The infant mortality rate in poor countries tend to be very high
motherhood
the state of being a mother
Now that she was married, she eagerly looked forward to motherhood.
pace
tempo of an activity
The company could not keep up with the pace of the demand for their product.
pension plan
a financial plan that allows you to receive money after you or your employer have paid money into it for a number of years
She had diligently put money into her pension plan, and now she is able to enjoy the benefits.
postpone
to delay an event and plan or decide that it should happen at a later date or time
After postponing having children, the couple realized they were now too old to have children.
prospect
a possibility of success in the future
The prospect of her getting married was not very good; she was not over 50 years old.
surviving
continuing to live or exist
The whale did not have any chances of surviving because his wounds were too deep.
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