Fix grammaticality: Thus nuclear reactors started being built in some countries.
The, the,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Theant, theant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant,ant