Answer:
The correct answer is<u><em> B) multiple outbreaks of cholera</em></u>
Explanation:
Before the sewage crises, also known as the 'Big Stink', London had experienced over 3 outbreaks of Cholera. However, this not a contributing factor to the crises but actually a 'cause'
The rest of the options were in fact, contributing to the overburdened sewerage system. London's population had increased from just one million to over 3 million within a 100 years the infrastructure was old and failing.
Flushing toilets were introduced a couple of decades ago and significantly increased the amount of waste water handled by the sewerage system every day.
It depends on which mainstreaming you are referring to.
Mainstreaming can simply mean - to bring into the mainstream.
When it comes to education, here is what mainstreaming is: <span>the practice of educating students with </span>special needs<span> in regular classes during specific time periods based on their skills.
There's also a thing called gender mainstreaming, which is a strategy for promoting gender equality. </span>
