During the next ten years, the program began to expand.

From the middle of 1960s, the hospital began to expand.

During the 1970s the museum began to expand onto other sites.

The site became a state park in 1938 and development began to expand it even further.

In the 1990s it began to expand across the country.

The lead began to expand, from 4 seconds to 6 and finally to 10.

In 1984 the school began to expand at the rate of one grade level each year.

The feathers do not begin to expand until they are nearly 4 weeks old.

As he wrote, the parameters of his plan began to expand.

Yet within four years, Congress began to expand the system.