The correct answer to this open question is the following.
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I think some of the challenges facing those restoring the Hagia Sophia church in Turkey are the following.
First, the budget needed to continually restorative the impressive building. Next, the qualified persons to do it. They need specialists in engineering and art to do the kind of conservation needed.
For a monumental structure like Haga Sophia, it is required to have a high budget to do permanent maintenance works as a preventive measure, as well as to correct the problems caused by the pass of time such as erosion, cracks in the walls, humidity.
I think the timeline of Poland's way to independence.
1980- Lech Walesa started the Solidarityorganization by combining laborunion due to invasion in Gdansk
Lech Walesa called for a stop tothe public protests and offeredpeace.
1981-The communist government inPoland declared martial law,banned Solidarity, and arrestedLech Walesa.
The government released LechWalesa due to endless publicprotests.
1983- The Communist government liftedthe martial law in Poland.
1989-Pope John Paul II visited LechWalesa and gave him advice. At the same time,<span> The government lifted the ban</span>on Solidarity.
Then around 1990, Lech Walesa won the first freepresidential elections in Poland.
Lech Walesa won the NobelPeace prize.
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