2 1 The ..
began in
England in the 18" century. Lots of factories
opened with new machines.
in the 1850s were very
difficult. They were unhealthy and wages
were low.
3 James Watt invented the
in the 1760s. Then engineers used it to
in factories.
4 The
grew quickly
in the 19th century because steamboats and
trains needed coal to make steam.
5 The things factories produced gave people
a better ...
6 Before the 18" century, people didn't work
with machines. They worked
7 In 1850, many people lived in cities in poor,​

VovaUtyuzh    1   04.11.2020 07:48    0