LONDON — She's a double Oscar winner with a knack for accents, but Meryl Streep says playing Margaret Thatcher was a challenge — although her own experience helped her understand the struggles faced by Britain's first female prime minister.
Streep is transformed into the divisive politician who reshaped Britain in "The Iron Lady," which has its European premiere in London on Wednesday, just across the River Thames from the Houses of Parliament.
"It was extremely daunting, because I'm from New Jersey," Streep said in an interview ahead of the red-carpet event. "And yet as an outsider, I felt something of what she might have felt."
Streep, who won Academy Awards for "Kramer Vs. Kramer" and "Sophie's Choice," said her youthful experience as one of a handful of women at Dartmouth College in New Hampshire helped her understand Thatcher's isolation. In 1970, Streep spent a term as an exchange student at the men-only college, which became coeducational in 1972.
"There were 60 of us and 6,000 men, and I had a little flashback to that moment," Streep said. "And so a little bit of my emotional work was done for me."
Streep, 62, has been nominated for a Golden Globe and looks likely to get a 17th Oscar nomination for her spookily accurate performance as Thatcher, who led Britain from 1979 until 1990.
As prime minister, Thatcher fought a war with Argentina over the Falkland Islands, saw the 1989 fall of the Berlin Wall and the implosion of communism and was branded the Iron Lady by Soviet journalists for her steely resolve.
She presided over the decline of Britain's industrial might and trade union power and the birth of a free-market culture with new winners and many new losers.
That historical drama is only glimpsed in "The Iron Lady," which depicts the now 86-year-old Thatcher, widowed after the death of husband Denis (Jim Broadbent), looking back on her life as a provincial grocer's daughter rising to the top of a Conservative Party dominated by wealthy men.
Streep said while the film has been called a political biopic, "I was interested in it precisely because it wasn't really that."
"It's a subjective imagining," she said. "It's not the God's-eye-view chronicling this side, that side, the politics of it. It's a very deep look at a whole life — from the end of it."
"The Iron Lady" is more a domestic drama than a political one, but Thatcher remains a polarizing figure and the film has been criticized by her enemies and allies alike. Foes feel it is too sympathetic, while supporters and friends dislike its depiction of the former leader as a frail old woman with dementia.
Former Conservative Foreign Secretary Douglas Hurd said the film "has a rather ghoulish quality about it."
"All the flashback scenes show a woman suffering from a form of dementia, but that lady is very much alive," he told the Evening Standard newspaper. "That should have given them pause to wait."
Director Phyllida Lloyd ("Mamma Mia!") has defended the film's approach. The script by Abi Morgan ("Shame") was partly inspired by a book by the politician's daughter Carol Thatcher in which she described her mother's mental decline.
Streep said the criticisms were misguided.
"If Margaret Thatcher suffered from a lung problem and I coughed, or if she had something wrong with her legs and I limped, no one would scream," she said. "The particular stigma attached to mental frailty in our culture speaks more about the person who's saying it's shameful.
"Is it shameful? I don't think it is. I don't think things need to be hidden away."
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